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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The astronauts of NASA's Artemis III mission visited the Oval Office on Thursday (Oct. 28) and posed for a few photos with the president. Their visit came nearly six months to the day after that of ...

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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A supermassive black hole at the heart of a nearby galaxy is behaving similarly to black holes that existed just after the Big Bang, voraciously feeding on copious amounts of matter. The relatively ...

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Over 20 years after its debut, the “re-imagining” of Battlestar Galactica remains a key part of modern TV and sci-fi as a whole. After some smaller video game adaptations, including the notable ...

Only a small portion of that path crosses land, with 15.2 million people — the vast majority in northern Spain — destined to witness totality that day, according to Time and Date. You may like Where ...