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Explore decades of incredible images and videos of stars, planets, moons, and galaxies—most of which are free to use and ...

Space: 1999 may have offered audiences a glimpse into the future, but its premise was rooted in the past — specifically, in a ...

For every "Alien" or "Event Horizon," there are dozens of lesser-known space horror movies that deserve much more love and ...

The June full moon rose low across the sky, treating stargazers worldwide to a stunning celestial display and we've got the ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

Dune: Part Two, 1917, Lincoln, Dunkirk, Avatar, There Will Be Blood, and more make up our list of the best epic movies of the ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

The project is expected to enable pioneering discoveries by scientists around the world, and ultimately deliver a time-lapse ...