The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

Astronomers have found a 19m-wide space rock that has been quietly hanging around Earth since 1957. This quasi-moon poses no threat.

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 ...

CAPE CANAVERAL, Fla. (AP) — A cluster of space weather satellites blasted off Wednesday morning to cast fresh eyes on solar ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

Thirty years ago, astronomers didn’t know if planets around other stars were common. Today, NASA says we’ve confirmed 6,000 ...

An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...