Astronomers have spotted something unusual, a planet that doesn’t orbit any star. It’s just drifting alone through space.

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

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

In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

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

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

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

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

New simulations examine whether the seven planets in the TRAPPIST-1 system could host moons, showing that only small, close-orbiting moons could remain stable over long periods ...

While the world slowly passed the first days of the year 2026, the astronauts aboard the International Space Station had ...

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