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

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

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.

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.

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

During the weekend, the orbits of Earth and Saturn will combine to create an interplanetary optical illusion for anyone with ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

Asteroid 2025 VP1 is hurtling through space at more than 18,300 miles per hour, the space agency has reported.