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 ...

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 ...

This diagram shows the orbits of seven planets around the cool red dwarf star, TRAPPIST-1. The shaded area shows the star's "habitable zone," where a planet could have the right surface temperature ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size. These giant planets blur the line between planetary and stellar ...

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 ...

A planet-forming disk made from rock and gas surrounds a young star. NASA/JPL-Caltech/SwRI/MSSS/ Gerald Eichstädt /Seán Doran Scientists have discovered over 4,000 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's leading planet-hunting spacecraft has spotted its second planet that matches Earth's size ...

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 ...

We have detected only one transiting planet that has a mass below 10 Earth masses. This world, CoRoT-7b (named after the European Convection, Rotation and planetary Transits satellite) has a radius ...

Astronomers have discovered a new Jupiter-sized exoplanet that possesses less than one-third of the mass of the solar system's largest planet, giving it a density similar to a marshmallow. The team ...