9 mysterious images of Mars

'Streetlights of the Universe': Can we solve the mystery of dark energy?

9 telescopes that will change how we see space

NASA may have accidentally destroyed evidence of life on Mars 40 years ago

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

What to see in the night sky in July

Alexandria Ocasio-Cortez has an asteroid named after her

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