Divers off the east coast of Florida have found an artifact underwater that NASA confirms is debris from the space shuttle Challenger. Photo courtesy of NASA

A TV documentary crew has just made a startling discovery linked to one of the American space program's greatest tragedies, one that deeply resonated here in Space City. Divers off the east coast of Florida have found an artifact underwater that NASA confirms is debris from the space shuttle Challenger.

While searching for wreckage of a World War II-era aircraft, documentary divers noticed a large object covered partially by sand on the seafloor, one that was clearly crafted by humans. The team contacted NASA after analyzing the proximity to the Florida Space Coast, the item’s modern construction, and presence of 8-inch square tiles, according to the space agency.

Upon viewing the TV crew's footage, NASA leaders confirmed the object is indeed part of the Challenger, which exploded during launch on January 28, 1986, killing all seven crew members on board — all of whom trained in Houston.

A History Channel documentary depicting the discovery of the Challenger artifact is scheduled to air Tuesday, November 22. While the episode will screen as part of a series about the Bermuda Triangle, the artifact was found well northwest of the area popularly known as the Bermuda Triangle, researchers note.

NASA, meanwhile, is currently considering what additional actions it may take regarding the artifact that will properly honor the legacy of Challenger’s fallen astronauts and their families, the agency notes.

The Challenger disaster is now counted as one of American history's "where were you?" moments. The mission, dubbed STS-51L, was commanded by Francis R. “Dick” Scobee and piloted by Michael J. Smith. The other crew members on board were mission specialists Ronald E. McNair; Ellison S. Onizuka, and Judith A. Resnik; payload specialist Gregory B. Jarvis; and teacher S. Christa McAuliffe.

Space Shuttle Challenger crew 1986 The Challenger crew poses ahead of the mission in January, 1986. Photo courtesy of NASA


McAuliffe, a charismatic civilian with a bright smile, became an international celebrity, bringing everyman accessibility to the space program. She was beloved by fans young and old, and quickly became the face of the doomed mission.

Celebrating NASA's 25th shuttle mission, the spacecraft waited overnight on Launch Pad 39B at NASA’s Kennedy Space Center in Florida. A sudden coastal cold front brought freezing temperatures, causing ice to form on the shuttle. Launch managers cleared the mission for launch at 11:38 am on January 28, despite concerns raised by some shuttle program employees.

A mere 73 seconds after liftoff, major malfunction caused the explosion that killed the seven crew members, a moment captured on live TV and watched by millions.

Later, a NASA investigation revealed that the unexpectedly cold temperatures affected the integrity of O-ring seals in the solid rocket booster segment joints, sparking the explosion.

Challenger's loss, and later Columbia with its seven astronauts – which broke up on reentry in February 2003 over the western United States – greatly influenced NASA’s culture regarding safety. The agency went on to create an Office of Safety and Mission Assurance, developed new risk assessment procedures, and established an environment in which everyone can raise safety concerns.

NASA also created the Apollo Challenger Columbia Lessons Learned Program to share these lessons within the agency and with other government, public, commercial, and international audiences.

“While it has been nearly 37 years since seven daring and brave explorers lost their lives aboard Challenger, this tragedy will forever be seared in the collective memory of our country,” said NASA Administrator Bill Nelson in a statement. “For millions around the globe, myself included, January 28, 1986, still feels like yesterday. This discovery gives us an opportunity to pause once again, to uplift the legacies of the seven pioneers we lost, and to reflect on how this tragedy changed us. At NASA, the core value of safety is – and must forever remain – our top priority, especially as our missions explore more of the cosmos than ever before.”

By law, all space shuttle artifacts are the property of the U.S. government. Members of the public who believe they have encountered any space shuttle artifacts should contact NASA at ksc-public-inquiries@mail.nasa.gov to arrange for return of the items.

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This article originally ran on CultureMap.

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Houston maritime startup raises $43M to electrify vessels, opens new HQ

Maritime Mission

A Houston-based maritime technology company that is working to reduce emissions in the cargo and shipping industry has raised VC funding and opened a new Houston headquarters.

Fleetzero announced that it closed a $43 million Series A financing round this month led by Obvious Ventures with participation from Maersk Growth, Breakthrough Energy Ventures, 8090 Industries, Y Combinator, Shorewind, Benson Capital and others. The funding will go toward expanding manufacturing of its Leviathan hybrid and electric marine propulsion system, according to a news release.

The technology is optimized for high-energy and zero-emission operation of large vessels. It uses EV technology but is built for maritime environments and can be used on new or existing ships with hybrid or all-electric functions, according to Fleetzero's website. The propulsion system was retrofitted and tested on Fleetzero’s test ship, the Pacific Joule, and has been deployed globally on commercial vessels.

Fleetzero is also developing unmanned cargo vessel technology.

"Fleetzero is making robotic ships a reality today. The team is moving us from dirty, dangerous, and expensive to clean, safe, and cost-effective. It's like watching the future today," Andrew Beebe, managing director at Obvious Ventures, said in the news release. "We backed the team because they are mariners and engineers, know the industry deeply, and are scaling with real ships and customers, not just renderings."

Fleetzero also announced that it has opened a new manufacturing and research and development facility, which will serve as the company's new headquarters. The facility features a marine robotics and autonomy lab, a marine propulsion R&D center and a production line with a capacity of 300 megawatt-hours per year. The company reports that it plans to increase production to three gigawatt-hours per year over the next five years.

"Houston has the people who know how to build and operate big hardware–ships, rigs, refineries and power systems," Mike Carter, co-founder and COO of Fleetzero, added in the release. "We're pairing that industrial DNA with modern batteries, autonomy, and software to bring back shipbuilding to the U.S."

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This article originally appeared on EnergyCapitalHTX.com.

Innovative Houston-area hardtech startup closes $5M seed round

fresh funding

Conroe-based hardtech startup FluxWorks has closed a $5 million seed round.

The funding was led by Austin-based Scout Ventures, which invests in early-stage startups working to solve national security challenges.

Michigan Capital Network also contributed to the round from its MCN Venture Fund V. The fund is one of 18 selected by the Department of Defense and Small Business Administration to participate in the Small Business Investment Company Critical Technologies Initiative, which will invest $4 billion into over 1,700 portfolio companies.

FluxWorks reports that it will use the funding to drive the commercialization of its flagship Celestial Gear technology.

"At Scout, we invest in 'frontier tech' that is essential to national interest. FluxWorks is doing exactly that by solving critical hardware bottlenecks with its flagship Celestial Gear technology ... This is about more than just gears; it’s about strengthening our industrial infrastructure," Scout Ventures shared in a LinkedIn post.

Fluxworks specializes in making contactless magnetic gears for use in extreme conditions, which can enhance in-space manufacturing. Its contactless design leads to less wear, debris and maintenance. Its technology is particularly suited for space applications because it does not require lubricants, which can be difficult to control at harsh temperatures and in microgravity.

The company received a grant from the Texas Space Commission last year and was one of two startups to receive the Technology in Space Prize, funded by Boeing and the Center for the Advancement of Science in Space (CASIS), in 2024. It also landed $1.2 million through the National Science Foundation's SBIR Phase II grant this fall.

Fluxworks was founded in College Station by CEO Bryton Praslicka in 2021. Praslicka moved the company to Conroe 2024.