"We found that hundreds of exoplanets are larger than they appear, and that shifts our understanding of exoplanets on a large ...

During all of this motion and commotion, the dust grains slam into each other, forming pebbles which then grow into larger and larger boulders until they form planets. As the planet grows in size ...

This story was updated at 1:55 p.m. EST. The Milky Way hosts at least 17 billion Earth-size alien planets, and probably many more, a new study reveals. Astronomers have determined that about 17 ...

NASA’s new telescope could spot thousands of exoplanets and hundreds of Earth-size rogue planets By Ashley Strickland , CNN 5 minute read ...

In fact, when we look at the data from planet-hunting missions such as the Kepler mission or from the Transiting Exoplanet System Satellite, there is a gap in the planet sizes.Namely, there aren't ...

Certain planets are so close to their star that it takes only a handful of days to make one revolution, compared to the Earth which takes 365.25 days. Others slingshot around their star with extrem.