9 stunning discoveries about Saturn from the Cassini mission

Captivating videos show meteor streaking across Midwest sky

Why NASA wants to 'touch the sun'

Distant star system proves Einstein right again

This is the first photo of a planet being born

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Alexandria Ocasio-Cortez has an asteroid named after her

5 reasons why the James Webb Space Telescope is such a big deal

Earth's ozone layer still in trouble, study finds

'Oumuamua, the bizarre cigar-shaped interstellar object, is actually a comet

'Blood moon' eclipse will be century's longest

Fermi paradox solved? There's no intelligent life in universe, say researchers