On this day in space! Aug. 28, 1993: Galileo spacecraft flies by asteroid Ida on the way to Jupiter only to find a tiny moon!

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NavIC operates on a smaller scale than its American counterpart, however. It's "a regional navigation satellite system designed to provide accurate Position, Navigation and Timing (PNT) service to ...

Stewart's "Star Trek: The Next Generation" family shared their grief and offered up poignant words to try to describe what effect he had on their lives and profession. "There's no one on this planet ...

A giant star with a puzzling name Even the translation of Betelgeuse's name is contentious. For a long time, it was thought to be a corruption of three Arabic words, usually translated as "The Armpit ...

You've probably been told that it isn't safe to stare at the sun and that watching a solar eclipse without proper eye protection can make you go blind. That's because the light from the sun is so ...

International Observe the Moon Night 2026 occurs on Sept. 19 as the lunar disk is well placed for exploring its craters, mountains and ancient lava plains. Venus will reach its point of greatest ...

Editor's note: This story contains discussion of astronaut fatalities and dangerous moments in human spaceflight. It was 40 years ago today (Jan. 28) that the space shuttle Challenger blasted off on ...

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