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 ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary ...

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

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 ...

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?

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

Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...