NASA on Monday introduced the 10 people who will join the agency’s astronaut corps as it races to return humans to the moon.

The Earth has a new follower. Astronomers recently discovered a tiny quasi-moon that they believe has been orbiting the sun alongside the Earth for decades. The new quasi-moon, which is being called ...

Lunar minerals generate the rust mineral hematite when bombarded with high-energy oxygen particles, simulations show.

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...