NASA announced the 2025 class of astronauts, and it includes someone who already is a record-breaking astronaut.

A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

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

In a recent breakthrough, astronomers have discovered a new “quasi-moon” that has been orbiting Earth after decades of being ...

The newly discovered asteroid is expected to tag along on the Earth's path around the sun for another 60 years.

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

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

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 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 visitors, most often in the form of (usually harmless) asteroids. Some even ...

WA researchers have teamed up with Polish experts to track space junk orbiting above Australia. The project involves ...