The Hubble Space Telescope has captured a spectacular new image of the largest and most unusual protoplanetary disk ever ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Now, according to new research published in Science, astronomers have managed to weigh a rogue planet for the first time. The ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

Astronomers have cataloged thousands of exoplanets, and a pattern keeps showing up: Around most stars, the most common ...

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

A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

The spectra measurements enable astronomers to figure out these stars’ age, spin rate, temperature, and location, among other ...

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

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