As Santa sits at the North Pole anticipating the discovery of life on some far-flung planet he might be somewhat nervously scanning the latest scientific literature to see which exoplanets are hot top ...

Earth” that sits in the temperate zone of its star, instantly vaulting it into the short list of worlds that might be able to ...

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” ...

NASA has discovered CWISE J1249, a mysterious red celestial object moving at over one million miles per hour through the ...

Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

Eta Cassiopeiae, a nearby double star system, may host stable Earth-sized planets. Its lack of giant exoplanets makes it ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

A nearby binary star system is bereft of giant planets, but scientists think it may still be a decent place to look for life. Binary star system Eta Cassiopeiae, located just 19 light-years away, ...

Newly identified planet GJ 251 c orbits a nearby m-dwarf, offering promising target for future life-detection missions - ...

Researchers say the finding may also shed light on how giant planets gradually shifted to their current orbits and what interstellar conditions the solar system faced during its birth.