Astronomers have spotted a lonely world roughly the size and mass of Saturn, drifting through the Milky Way without a star to ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

Webb telescope discovered a bizarre exoplanet with carbon atmosphere, no hydrogen, orbiting a super-dense spinning star.

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Roughly 1,000 light-years away from Earth, a gigantic disk of gas and dust is swirling around a young star and giving rise to ...

In the swirling clouds of gas and dust that surround newborn stars, planets begin to form. These planet-forming disks are rich with clues about how worlds like Earth come to be. Until now, scientists ...

Every planet in the solar system leans, some gently, some dramatically, and that tilt quietly shapes everything from our ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

New experimental research demonstrates that sub-Neptune exoplanets, the most common class discovered, could possess large quantities of liquid water. The study simulated early planetary conditions, ...

What seemed like new planets around Fomalhaut were actually expanding dust clouds from violent planetary collisions seen by Hubble.

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.