Engine Leak Stalls Xombie Rocket’s Bid for NASA Cash

Engine Leak Stalls Xombie Rocket’s Bid for NASA Cash
The Xombie rocket built by Masten Space System soars from launch pad to landing pad during the first leg of its Level 1 flight for the 2009 Northrop Grumman Lunar Lander Challenge on Sept. 16, 2009. A leak in the vehicle's regeneratively-cooled engine chamber forced stalled its return trip. (Image credit: X Prize Foundation.)

A privately-builtrocket nicknamed Xombie suffered an apparent engine leak Wednesday that stalledits attempt to win $150,000 in a NASA contest to fly mock moon landers.

Built byMasten Space Systems in Mojave, Calif., the Xombie rocket lifted off at the MojaveAir and Space Port and successfully flew to a nearbylanding pad, but failed to make the required return trip during a flightfor the Northrop Grumman Lunar Lander Challenge. A small leak detected in therocket?s engine chamber after landing was cited as the cause, contestorganizers said.

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Tariq Malik
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Tariq is the award-winning Editor-in-Chief of Space.com and joined the team in 2001. He covers human spaceflight, as well as skywatching and entertainment. He became Space.com's Editor-in-Chief in 2019. Before joining Space.com, Tariq was a staff reporter for The Los Angeles Times covering education and city beats in La Habra, Fullerton and Huntington Beach. He's a recipient of the 2022 Harry Kolcum Award for excellence in space reporting and the 2025 Space Pioneer Award from the National Space Society. He is an Eagle Scout and Space Camp alum with journalism degrees from the USC and NYU. You can find Tariq at Space.com and as the co-host to the This Week In Space podcast on the TWiT network. To see his latest project, you can follow Tariq on Twitter @tariqjmalik.