Here are some pics of most earth-like exoplanets uploaded by NASA: Gliese 667Cc, 22 light-years from Earth, is 4.5 times Earth's mass, orbits its cooler red dwarf star in 28 days, and likely resides ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

However, the newly discovered planet, Kepler-442b ... meaning it’s larger than Earth but smaller than gas giants like Neptune ...

Two significant additional discoveries-the identification of twin water worlds, Kepler-138c and d, and the existence of water-rich planets-show us that there are many ways for small exoplanets to be ...

"The three previously known planets that orbit the star Kepler-51 are about the size of Saturn but only a few times the mass of Earth, resulting in a density like cotton candy. We think they have ...

Kepler-62f (also known ... was something in between those two planets. It seems like wasted real estate,” Kane says. So Kane dropped a fictional super-Earth in that gap to see what would happen.