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 ...

Earth’s been around for a long time. And during its tenure as a planet, has been slammed with a lot of cosmic objects; the largest of which left massive craters in their wake. In a new size comparison ...

An animation posted to Twitter has shocked social media users by showing the impressive size of Jupiter and just how rapidly the solar system's largest planet rotates. The animation posted by ...

Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA’s Exoplanet Archive. Some of these planets orbit multiple stars at the same time. Certain planets are so ...

LOS ANGELES — At least one in every four stars like the sun have planets about the size of the Earth circling them in very close orbits, according to the first direct measurement of the incidence of ...