A planet orbiting the star GJ 887 may be the closest object to Earth with good prospects for supporting life, although confirming that will not be easy. The newly discovered “super-Earth” with a mass ...

A rocky planet beyond gas dwarfs in LHS 1903 indicates that planetary systems form in unexpected ways.

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Exomoons orbiting rogue planets could host liquid water for billions of years, offering potential habitats for life deep in interstellar space.

A neutron star and black hole were detected merging along an unusual oval orbit, challenging long-held theories about how ...

Astronomers have discovered a bizarre exoplanet with a giant underground ocean of magma that traps sulphur and may represent an entirely new class of worlds.

A newly analyzed gravitational-wave event has revealed something unexpected about one of the Universe’s most violent encounters. Scientists have found the first strong evidence that a black hole and a ...