To misquote Hamlet, there seems to be more types of planets across the heavens than have been dreamt in our astronomy before the advent of dedicated planet-hunting telescopes. In the Solar System, we ...

A rare celestial event on Feb. 28 will offer skywatchers the chance to witness a "planet parade" of all seven planets in our solar system outside of Earth. It's the last time this type of planetary ...

The secret behind the formation of super-Earth and sub-Neptune exoplanets has been revealed, thanks to a study of four young planets that are evaporating. Some 350 light-years away, the V1298 Tau ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune orbit most stars. Oddly, our sun lacks such a planet. That’s been a source ...

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty protoplanetary disks that give birth to planets of all kinds. And when a star ...