A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...
Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...
Low Earth orbit has shifted from a quiet scientific outpost to one of the busiest pieces of real estate in human history. With tens of thousands of satellites and fragments now circling overhead, ...
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