A newly analyzed planetary system spotted by NASA’s TESS mission is challenging long-standing assumptions about how planets ...

Using NASA's exoplanet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite) and Antarctic Search for Transiting ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Learn more about the bizarre geological features found throughout our Solar System.

Did 29 Cygni b form like a planet, or like a star? Or are the two not quite as distinct as previously believed?

NASA has detected a massive gas planet in deep space that is being pulled out of its orbit by a wildly violent and ...

The discovery, made using Nasa's James Webb Space Telescope (JWST), is being hailed as a significant leap in our ability to ...