Discovered by NASA’s Kepler spacecraft, Kepler-10c is a massive exoplanet that challenges existing theories about planetary formation and habitability. Dubbed a “mega-Earth,” this planet’s ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

It provides a dynamic, time-resolved view of planetary transformation, a missing link between young inflated worlds and the compact sub-Neptunes that populate the galaxy.

When scientists discovered the first planet orbiting another star in 1995, few outside astronomy circles noticed. That planet, 51 Pegasi b, opened the door to a field that now boasts more than 5,000 ...

IMAGE: Among thousands of known exoplanets, MIT astronomers have flagged three that are actually stars. Pictured is an artist’s interpretation of stars and planets. CREDIT: NASA A new study published ...

It's hard to remember now, but there was a long period of time in which scientists weren't sure how many planets might actually exist throughout the galaxy, much less how likely it might be to find a ...

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