Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

Every so often, Jupiter's strong gravity sends an asteroid hurtling through the solar system, sometimes towards Earth. Last ...

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

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our ...

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...

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 ...

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

The arrival of mini moon could draw the attention of private companies and agencies focused on asteroid mining ...

In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the discovery ...

The cadre — the 24th astronaut class in NASA's history, and the first new one since 2021 — was announced today (Sept. 22) ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.