And if the telescope can’t stay on target, the mission is effectively over.
The Kepler spacecraft lost the second of four wheels that control the telescope’s orientation in space, NASA said Wednesday.
Two astronauts will do a spacewalk Saturday to try to fix an ammonia leak in the power system at the International Space Station.
NASA chief Charles Bolden did not have many reassuring words for the U.S. House of Representative Science Committee when he spoke recently about his agency’s efforts to track and mitigate recent threats from space.
Too many men and woman have died in the effort to explore space—and too many of them are unknown. NASA has set aside a day to honor them all. What follows is a remembrance the Russians and Americans who lost their lives during …
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