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

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 ...

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

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, ...

What if Venus and Mars suddenly swapped orbits? Explore the dramatic effects on climate, gravity, and life if our neighboring ...

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

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

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

As of Friday, Nov. 28, the moon phase is First Quarter. This means 53% of the moon is lit up tonight, according to NASA's ...

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

Saturn's rings will appear to have disappeared if you catch a glimpse of the planet through the eyepiece of a telescope on ...

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.