For decades, science fiction treated alien planets like Earth with a different paint job. This video shows how real exoplanet ...

This video is about the interesting and often-misunderstood story of the asteroids, and how they lost their planet-hood status; more recently than you may think!

(via PBS Space Time) There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other places in the universe that might harbor life. We only know of one such ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Almost a decade after astronomers proposed the existence of Planet ...