Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

The number 40,000 might not sound particularly dramatic, but it represents humanity's growing catalog of near-Earth asteroids ...

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

Saturn stunned skywatchers on 23 November when its iconic rings seemed to vanish, leaving the planet looking strangely bare.

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our ...

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.