Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head.

An inside-out planetary system around the star LHS 1903 is turning everything that astronomers know about planet formation upside down.

We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting closer to their stars than Mercury, and rocky worlds much larger than Earth ...

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...

New Delhi: Astronomers have discovered three Earth-sized planets orbiting around two stars in a rare double-star system located about 190 light-years away. The system, called TOI-2267, could offer a ...