An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

The quest for life beyond Earth has centered for decades on rocky, Earth-like planets, but a new class of enigmatic worlds ...