Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet our own solar ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

Discover why the solar system's planets are arranged as they are, shaped by formation conditions and planetary migration.

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

There could be a ninth planet in our solar system that's lying in wait to be discovered - and no, it's not Pluto. Our solar ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

Relying on information from NASA's TESS telescope, astronomers Edward Bryant from the University of Warwick and Vincent Van ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare solar system in the Milky Way that boasts six planets orbiting in perfect rhythm like a cosmic orchestra, untouched by outside forces since ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...