Astronomers once believed that most solar systems would be much like our own, with small rocky planets near their sun, accompanied by gas giants orbiting the star at greater distances. Beginning in ...

This illustration depicts the sun-like star Kepler 51, and three giant planets that NASA’s Kepler space telescope discovered between 2012-2014. These planets are all roughly the size of Jupiter but a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. 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 ...