Astronomers have identified a vast, cotton-candy–light “super‑puff” world that loops around its star in a wildly misaligned ...

A rare image reveals a giant planet clinging to two stars, helping scientists understand how planets survive in chaotic star systems.

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

An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed ...

Scientists from several institutions, including the University of Chicago, discovered a lemon-shaped planet with an ...

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

The celestial body is the youngest transiting planet found to date. Madyson Barber, a grad student at the University of North Carolina at Chapel Hill, was researching young transiting systems in space ...

A sequence of events during the evolution of certain rocky planets orbiting M-dwarfs, the most common stars in the universe, creates an atmosphere that would be stable over time. This is true for more ...

WASHINGTON, March 13 (Reuters) - Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - though they concluded that all of them ...

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