Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

A rocky planet beyond gas dwarfs in LHS 1903 indicates that planetary systems form in unexpected ways.

NASA announced a new milestone in its search of the stars. It has now found more than 5,000 exoplanets -- those outside of our solar system. “It’s not just a number,” Jessie Christiansen, a researcher ...

Rocky planets have so far been known in two different forms. However, an exoplanet has now been discovered that does not fit ...

Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at ...

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

Astronomers have found an exoplanet that could serve as a benchmark in future studies. It's a rocky planet orbiting an M-type star, and though these planets are plentiful, this one could serve as a ...

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.

LAS CRUCES, N.M. (KFOX14/CBS4) — A team of astronomers from New Mexico State University and Northwestern University has discovered a new exoplanet by analyzing years of data from an old observational ...