During its 4.5-billion-year life span, Earth’s been hit by countless asteroids. (Despite Jupiter’s noble attempts at defending it.) But while it’s easy to imagine the damage they’ve done, just how big ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.

Saturn has 83 known moons, the most of any planet in our Solar System. This size comparison video from MetaBallStudios lines them all up, with London as the background. The same YouTuber recently ...

Spanish 3D animator and YouTuber, MetaBallStudios, has assembled a series of comparison videos that paint Earth from a very unique perspective. The creative has, for example, compared the sizes of ...

In a new study, a team of astrophysicists, including two researchers at CU Boulder, have discovered a small and rocky world orbiting a star far from Earth—similar to our own planet, perhaps, but much ...