Former NASA astronaut, official joins Venus Aerospace board

astronaut appointment

Pamela Melroy, a member of the United States Astronaut Hall of Fame, has joined Venus Aerospace's board of directors. Photo courtesy Venus Aerospace/PRNewsFotos.

Retired Air Force colonel and former NASA astronaut Pamela Melroy, who previously served as deputy administrator of NASA, recently joined the board of directors at Houston-based Venus Aerospace.

Venus Aerospace, a startup founded in 2020, develops rocket engine technology, including rotating rocket detonation engines for hypersonic flights. These engines promise higher power, greater fuel efficiency and lower emissions than conventional rocket engines or jet engines, according to the Interesting Engineering website. The global rocket propulsion market is expected to grow from $9.5 billion in 2025 to $29.9 billion by 2034, according to a forecast by ResearchAndMarkets.com.

“Advanced rocket propulsion has been of interest to me for over a decade, and Venus Aerospace’s recent achievements in demonstrating the stability of rotating detonation rocket engines represent a significant development,” says Melroy, who left NASA earlier this year and is now a self-employed consultant living in Arlington, Virginia.

Melroy, a member of the United States Astronaut Hall of Fame, has built an illustrious career in the aerospace sector. Aside from being a NASA official, she was:

  • One of only two female astronauts to command a space shuttle mission
  • Deputy program manager of Orion space exploration initiatives at aerospace and defense contractor Lockheed Martin
  • Senior technical adviser and director of field operations for the Federal Aviation Administration’s Office of Commercial Space Transportation, where she came up with the first safety guidelines for commercial human spaceflight
  • Deputy director of the Tactical Technology Office at the Defense Advanced Research Projects Agency (DARPA).
  • An adviser for the establishment of the Australian Space Agency

Venus Aerospace said in a news release that as a leader at three federal agencies, “Melroy shaped America’s strategy in space, accelerated commercial space partnerships, and deepened space exploration.”

Sassie Duggleby, co-founder and CEO of Venus Aerospace, called Melroy “a preeminent leader in the world of aerospace.”

In May, Venus Aerospace completed the inaugural test flight of its rotating detonation rocket engine. The startup, whose headquarters is at the Houston Spaceport, says it’s the only company in the world that has manufactured a flight-proven, high-thrust rotating detonation rocket engine.

On the horizon for Venus Aerospace is production of Stargazer M4, a high-speed aircraft capable of two-hour global travel.

Venus Aerospace’s investors include Airbus Ventures, America’s Frontier Fund, Trousdale Ventures, and Prime Movers Lab. The startup also gets support from the Air Force Research Laboratory (AFWERX), the Air Force, NASA and DARPA.

Jordan Blashek, co-founder and managing partner of America’s Frontier Fund, which backs startups creating breakthrough technologies, said his firm’s investment in Venus Aerospace “underscores our focus on supporting American companies that are revolutionizing industries of the future.”

“With recent hypersonic advancements from China and Russia, safeguarding American innovation and securing our industrial base has never been more urgent,” Blashek added. “Venus Aerospace is poised to redefine hypersonic flight and ensure America’s continued leadership in aerospace innovation.”

Since its founding, Venus Aerospace has raised $78.3 million in investments, according to PitchBook data.

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This Houston company is one step closer to enabling high-speed global travel. Photo courtesy of Venus Aerospace

Houston startup with hypersonic engine tech adds new investor

it's rocket science

A Houston-based company that's developing an engine that'll enable one-hour global transportation has announced its latest investor.

Venus Aerospace released the news that Silicon Valley venture capital firm, Airbus Ventures, has joined its team of investors. The supersonic combustion engine technology — more akin to a rocket's engine than an airplane's — is revolutionary because allows for travel at a higher elevation. Jet engines rely on air outside of the aircraft to combust, and rocket engines work with a system that supplies air internally.

“Venus has developed the world’s first liquid-propellant rotating detonation rocket engine (RDRE) with a double-digit percentage increase in efficiency over standard regular engines, making the hypersonic economy possible,” says Sassie Duggleby, CEO and co-founder of Venus, in a news release. “We’re delighted to bring Airbus Ventures into the Venus family and look forward to growing our collaboration as we harness the future of hypersonic flight.”

Duggleby founded Venus Aerospace with her husband and CTO Andrew in 2020, before relocating to the Houston Spaceport in 2021. Last year, Venus raised a $20 million series A round. That round, led by Prime Movers Lab, is being used to fund tech development and initial flight testing for building its Mach 9 hypersonic drone and Mach 9 spacecraft. Venus did not disclose how much their newest investor has contributed.

“In the world of RDREs, their pioneering approach — designing, building, and demonstrating the first liquid, storable-propellant fueled rotating detonation rocket engine — unlocks advanced aircraft capabilities and opens new vistas on our whole planetary system,” says Airbus Ventures Managing Partner Thomas d’Halluin in the release. “Venus’ compact, low mass, high efficiency engine capability will have an immediate impact on lunar and martian landers, space mobility and logistics, and deep space mission proposals.

"Here on Earth today, we will see unprecedented performance gains for drones of all kinds, and more practical and faster-than-anticipated opportunities for ultra-high-speed passenger and cargo rocket plane flights,” he continues.

Venus, which as has contracts with NASA and US Defense Agencies, has plans to test its technology this summer at its headquarters in the Houston Spaceport.

“With the strong support of Airbus Ventures now joining our investor syndicate, our next round will let Venus take the final step from lab to prototype as we fly our drone to Mach 3 under RDRE power," says Andrew Duggleby, in the release. “This will include long-duration engine runs this summer at Spaceport Houston, as well as the design, build, and flight of our drone with the broader Venus team and our incredible partners.”

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10+ Houston innovation leaders in the spotlight at SXSW 2026

where to be

Houston's innovation scene will be well represented at South by Southwest (SXSW) this month.

The week-long, Austin-based conference and festival will spotlight some of the Bayou City's leaders in health care, energy, space and more. The event kicks off today, March 12, and runs through March 18. The SXSW Innovation Conference will feature keynotes, workshops, mentoring sessions and more throughout various venues in the city.

Here's who to see and when and where to find them:

March 12

Aileen Allen, venture partner at Mercury Fund

Mentor Session from 4-5:15 p.m. at Hilton Austin Downtown

Allen will host a mentoring session focused on funding, marketing, advertising, PR and the future of work.

March 13

Heath Butler, partner at Mercury Fund

SXSW Pitch-Smart Cities, Transportation, Manufacturing & Logistics from 2:30-3:30 p.m. at the J.W. Marriott

Butler will judge five innovative startups as they pitch their solutions to advance smart cities, enhance transportation systems, modernize manufacturing, transform logistics, and strengthen government infrastructure and civic operations.

Jonathan Cirtain, CEO and president of Axiom Space

The Clock is Ticking for Space - Replacing the ISS from 4-5 p.m. at the J.W. Marriott

Cirtain will discuss Axiom's pursuit of building the world’s first commercial space station.

March 14

Jesse Martinez, founder and CEO of LSA Global

SXSW Pitch-Intelligent Systems, Robotics, & Multisensory Technology from 10-11 a.m. at the J.W. Marriott

Martinez will judge five innovative startups as they pitch their technologies that aim to enhance the way people connect, communicate and share unique life experiences with those around them in a digital ecosystem.

Jennifer Schmitt, head of operations at Rhythm Energy

Powering Texas with Reliable Integrated High-Demand Energy from 10-11 a.m. at Marlow

Schmitt will join a panel to discuss how EirGrid, the state-owned electric power transmission operator in Ireland, is pioneering solutions as the country works toward 80 percent renewable integration by 2030.

Saki Sasagawa, director of business development for JETRO Houston

Now is Japan's Time: Leading the Future with Deep Tech from 10-11 a.m. at the J.W. Marriott

Sasagawa joins a panel that will share real-time insights from diverse perspectives on the forefront of Japan’s deep tech and IP businesses.

March 15

Bosco Lai, CEO and co-founder of Little Place Labs

SXSW Pitch Alumni: Where Are They Now? from 10-11 a.m. at the J.W. Marriott

Lai joins a panel of four former SXSW Pitch winners to share how they leveraged the platform to take their startups to the next level.

Tara Karimi, cofounder and chief science and sustainability officer at Cemvita

South by South America: The Rise of Southern Brazil Tech from 2:30-3:30. p.m. at The Line

Karimi will participate in a panel to discuss how Rio Grande do Sul, Brazil's southernmost state, is attracting elite talent and AI infrastructure and share insights on navigating the next wave of South American tech growth.

March 16

Dr. Pavitra P. Krishnamani, emergency medicine physician at The University of Texas MD Anderson Cancer Center

Viva La Revolution: How the Digital Age is Transforming Wellness from 11:30 a.m.-12:30 p.m. at Hilton Austin Downtown

Krishnamani will discuss the latest advancements and policies that can accelerate the digital age of health care, such as wearables, telehealth and artificial intelligence.

March 18

Charlie Childs, co-founder and CEO of Intero Biosystems

Spinning Out: What It Takes to Build a University Startup from 2:30-3:30 p.m. at The Line

Childs will join founders who spun their companies out of the University of Michigan to share the real story of navigating IP, early capital, team building, market validation and the “valley of death.”

Dr. James Allison, regental chair of immunology and director of The Allison Institute at The University of Texas MD Anderson Cancer Center

Dr. Padmanee Sharma, professor in the Department of Genitourinary Medical Oncology, Division of Cancer Medicine at The University of Texas MD Anderson Cancer Center

Beyond Checkpoints: Immunotherapy’s Next Act from 2:30-3:30 p.m. at the J.W. Marriott

Allison and Sharma will sit down with 21-year-old, Stage 4 cancer survivor Sharon Belvin and Time Magazine journalist Alice Park will discuss the future of immunotherapy and what challenges remain.

Last year, Houston startups Little Places Labs and Helix Earth won top prizes in their respective categories at the prestigious SXSW Pitch event, held this year from March 13-14. No Houston startups were named finalists to compete in this year's event.

NASA revamps Artemis moon landing program by modeling it after Apollo

To the moon

NASA is revamping its Artemis moon exploration program to make it more like the fast-paced Apollo program half a century ago, adding an extra practice flight before attempting a high-risk lunar landing with a crew in two years.

The overhaul in the flight lineup came just days after NASA’s new moon rocket returned to its hangar for more repairs, and a safety panel warned the space agency to scale back its overly ambitious goals for humanity’s first lunar landing since 1972.

Artemis II, a lunar fly-around by four astronauts, is off until at least April because of rocket problems.

The follow-up mission, Artemis III, had been targeting a landing near the moon’s south pole by another pair of astronauts in about three years. But with long gaps between flights and concern growing over the readiness of a lunar lander and moonwalking suits, NASA’s new administrator Jared Isaacman announced that mission would instead focus on launching a lunar lander into orbit around Earth in 2027 for docking practice by astronauts flying in an Orion capsule.

The new plan calls for a moon landing — potentially even two moon landings — by astronauts in 2028.

“Everybody agrees. This is the only way forward,” Isaacman said.

The hydrogen fuel leaks and helium flow problems that struck the Space Launch System rocket on the pad at NASA's Kennedy Space Center in February also plagued the first Artemis test flight without a crew in 2022.

Another three-year gap was looming between Artemis II and the moon landing by astronauts as originally envisioned, Isaacman said.

Isaacman stressed that “it should be incredibly obvious” that three years between flights is unacceptable. He'd like to get it down to one year or even less.

Isaacman, a tech billionaire who bought his own trips to orbit and performed the world’s first private spacewalk, took the helm at NASA in December.

During NASA’s storied Apollo program, he said, astronauts’ first flight to the moon was followed by two more missions before Neil Armstrong and Buzz Aldrin landed on the moon. What's more, he added, the Apollo moonshots followed one another in quick succession, just as the earlier Projects Mercury and Gemini had rapid flight rates, sometimes coming just a few months apart.

Twenty-four Apollo astronauts flew to the moon from 1968 through 1972, with 12 of them landing.

“No one at NASA forgot their history books. They knew how to do this," Isaacman said. “Now we're putting it in action.”

To pick up the pace and reduce risk, NASA will standardize its Space Launch System rockets moving forward, Isaacman said. These are the massive rockets that will launch astronauts to the moon aboard Orion capsules. At the same time, Elon Musk's SpaceX and Jeff Bezos' Blue Origin are speeding up their work on the landers needed to get the astronauts from lunar orbit down to the surface.

Isaacman said next year will see an Orion crew rendezvousing in orbit around Earth with SpaceX's Starship, Blue Origin's Blue Moon or both landers. It's similar to the methodical approach that worked so well during Apollo in the late 1960s, he noted. Apollo 8, astronauts' first flight to the moon, was followed by two more missions before Armstrong and Aldrin aimed for the lunar surface.

“We should be getting back to basics and doing what we know works,” he said.

The Aerospace Safety Advisory Panel recommended that NASA revise its objectives for Artemis III “given the demanding mission goals.” It’s urgent the space agency do that, the panel said, if the United States hopes to safely return astronauts to the moon. Isaacman said the revised Artemis flight plan addresses the panel's concerns and is supported by industry and the Trump administration.

Booming Houston suburb launches innovation grant to attract startups

innovation incentive

Think you’ve got a burgeoning startup? Consider moving it to southwest Houston. The City of Sugar Land announced the Sugar Land Starts Innovation Fund last week to support companies that move jobs to the area.

“The Sugar Land Starts Innovation Fund is designed to support companies that are ready to grow and make a meaningful, long-term commitment to our community,” Colby Millenbruch, business recruitment manager for the City of Sugar Land, said in a news release. “By focusing on revenue-generating startups and performance-based incentives, we are creating a clear pathway for innovative companies to scale while reenergizing existing office space.”

The performance-based, non-equity dilutive grant program is open to companies that demonstrate at least $250,000 in generated revenue or $500,000 in institutional backing from a bank or venture capital firm. They must commit to hiring or relocating at least three employees in Sugar Land for a minimum of three years and at an average salary of $61,240. Compliance will be verified through Texas Workforce Commission reporting.

The fund builds off the Sugar Land Plug and Play partnership to turn the city into an innovative technology hub.

Collaboration with the Silicon Valley-based startup incubator and accelerator on a physical location in southwest Houston has supported 22 startups and has raised $6.5 million in capital since it officially launched in Sugar Land last March. Companies located at the Sugar Land Plug and Play include Synaps, a browser-based design platform for architects, and Intero Biosystems, which produces miniature human organs for preclinical drug development.

In addition to direct funding and business space, both the new grant and the overall Plug and Play project facilitate meetings with Houston-area businesses like CenterPoint Energy.

This should not only bring new industries to Sugar Land, but also allow existing companies to expand outward as technological investors to create a web of new progress.

“This investment is about more than technology. It’s about creating an environment where innovation can take root, grow, and deliver lasting value for the Sugar Land community,” David Steele, director of Texas at Plug and Play, added in the release. “Sugar Land is setting itself apart by taking a long-term view, investing in founders, partnerships, and technologies that will define the next chapter of growth. We’re proud to partner with the city in building an innovation ecosystem that benefits both entrepreneurs and the broader community.”

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