In the Star Wars movies fictional planets are covered with forests, oceans, deserts, and volcanoes. But new models from a team of MIT, NASA, and Carnegie scientists begin to describe an even wider ...

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 ...

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 ...

The Earth is the only cradle of life we know of. Through its billions of years of existence, it's seen some seriously bad weather, from billions of lightning strikes a year to planet-wide ash and dust ...

Nobody has seen them yet, but scientists now think there are tens of billions of planets the general size and bulk of Earth in the Milky Way galaxy alone - a startling conclusion based on four years ...

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 ...

Scientists have discovered over 4,000 exoplanets outside of our Solar System, according to NASA’s Exoplanet Archive. Some of these planets orbit multiple stars at the same time. Certain planets are so ...

Welcome to Earth, extreme edition. In a new study, a team of astrophysicists, including two researchers at the University of Colorado Boulder, have discovered a small and rocky world orbiting a star ...