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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This video takes viewers on a long journey from the diminutive Speck of Horton Hears a Who (diameter 0.9 mm) all the way up to the ...

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 ...

Bigger than a planet? Smaller than an atom? Size comparison videos are all the rage and may scratch a very old itch. By Jenny Marder Not long ago, my 7-year-old son looked up from a picture he was ...

Using an innovative new telescope array, an international team of researchers has discovered a distant gas giant roughly the size of Jupiter around a star half the size of ours. It’s considered the ...

Astronomers have discovered a strange giant planet that seems to break the usual rules of how planets form. Known as TOI-5205 b, this world has been nicknamed a “forbidden planet” because it orbits a ...