Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. With each new alien planet discovered, the astronomical catalog of ...

Astronomers have discovered a number of “super-puff” exoplanets in the Kepler 51 star system that are as dense as cotton candy. Utilizing data from the Hubble Space Telescope, researchers found fewer ...

Fluff surrounds the solid interiors of each of the three planets in the Kepler 51 star system. Each of these planets was discovered to have masses "only a few times larger than Earth's" with radii ...

SUPER-PUFFS may sound like a breakfast cereal but they’re actually a rare type of planet that have the density of candy floss, according to Nasa. The sweet nickname for the young exoplanets has proved ...