One of the smallest, coolest stars found to have planets of any kind—just 86 light-years from the solar system—appears to have an Earth-like volcanic world. The planet, called LP 791-18 d, is ...

A new, Earth-sized planet has been discovered only 90 light-years away from us. In astronomical terms, that’s right next door. What’s more, it might be capable of supporting life.

A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest stellar neighbors, a new study reveals. The rocky alien worlds are close enough that future ...

The hunt is on for a second Earth, somewhere out there in the Milky Way galaxy, but a newly discovered world is not quite the thing. It comes in at around 1.9 times the mass of Earth, orbiting its ...

A unique gas giant has been confirmed through global teamwork, offering insights into planetary formation and future ...

Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...

Scientists studying data from the Alpha Centauri star system on Wednesday announced what they believe is a second Earth-like planet orbiting the star closest to … ...

Scientists using the James Webb Space Telescope may have directly imaged a Saturn-mass planet orbiting the young star TWA 7.