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

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Astronomers have recently uncovered a remarkable planetary system around the faint orange star WASP-132, featuring two exoplanets that couldn’t be more different. One is a rocky world that completes ...

A lonely world the size of Saturn is drifting through the Milky Way with no star to warm it, and for the first time ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

This year NASA unveiled new discoveries beyond our solar system, the count has surpassed 6,000, with several thousands more ...

Astronomers may have finally worked out how planets between the size of Earth and Neptune – which aren't found in our Solar ...

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed ...

NASA's Kepler mission has found the first multi-planet solar system orbiting a binary star, characterized in large part by University of Texas at Austin astronomers using two telescopes at the ...

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