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 ...

There’s something about comparing the sizes of unthinkably large objects that’s endlessly intriguing. Looking at a comparison of all the various sizes of stars in the universe, for example, makes for ...

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 ...

All the Latest Game Footage and Images from Universe Size Comparison VR How does an atom look like compared to a planet? How big is the Milky Way compared to other galaxies? In this simple application ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA's ...

NASA's leading planet-hunting spacecraft has spotted its second planet that matches Earth's size and may be able to retain liquid water — and both worlds orbit the same star. NASA's Transiting ...