(AP) -- Astronauts may need to take the unprecedented step of temporarily abandoning the International Space Station if last week's Russian launch accident prevents new crews from flying there this fall.
Space Exploration
Aug 29, 2011
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America may now be aiming to put astronauts back on the Moon, but for years the United States turned its back on manned missions after the Columbia space shuttle disaster.
Space Exploration
Jan 30, 2023
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A Senate panel set aside $100 million Thursday to develop a US rocket engine as an alternative to Russian equipment currently used to launch military satellites into orbit.
Space Exploration
May 23, 2014
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A large section of the destroyed space shuttle Challenger has been found buried in sand at the bottom of the Atlantic, more than three decades after the tragedy that killed a schoolteacher and six others.
Space Exploration
Nov 10, 2022
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In hypersonic flight, an aircraft or spacecraft moves at least five times faster than the speed of sound—producing extreme heat that can push the craft beyond its physical limits. The difficulty and importance of protecting ...
Space Exploration
Oct 18, 2022
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The Hubble Space Telescope's successor is a time-traveling wonder capable of peering back to within a hair's breadth of the dawn of the universe. And it's finally on the brink of flight.
Space Exploration
Dec 20, 2021
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With somber ceremonies, the United States on Friday commemorated the loss of the space shuttle Columbia and its seven-member crew on the tenth anniversary of the disaster.
Space Exploration
Feb 1, 2013
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For many, no single word evokes as much pain. Challenger.
Space Exploration
Jan 27, 2011
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New movies of two of the most famous objects in the sky—the Crab Nebula and Cassiopeia A—are being released from NASA's Chandra X-ray Observatory. Each includes X-ray data collected by Chandra over about two decades. ...
Astronomy
Apr 24, 2024
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When the space shuttle Columbia disintegrated on re-entry in 2002, sophisticated computer models were key to determining what happened.
Computer Sciences
Aug 4, 2014
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