Scientists are now developing spinning space stations with artificial gravity that could take astronauts deeper into the Solar System in the 2030s, reshaping how long humans can stay in space and how ...

The Canadian telescope CHIME has found a repeating fast radio burst in deep space, only the second of its kind to be discovered. We look at some of the theories around what causes the phenomenon — and ...

WASHINGTON (Reuters) - The Pentagon's new push to investigate reports of UFOs has so far not yielded any evidence to suggest that aliens have visited Earth or crash-landed here, senior military ...

Deep thinkers are wondering about deep space, and a problem: What if the wrong kind of aliens have tuned their radios to an Earth station? Since our Milky Way galaxy is billions of years old and has ...

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The universe is simply huge, containing billions of stars, planets, and galaxies. When children get to know the enormity of space, a question that comes to mind is, if the universe is so big, why have ...

WASHINGTON — The Pentagon’s new push to investigate reports of UFOs has so far not yielded any evidence to suggest that aliens have visited Earth or crash-landed here, senior military leaders said on ...