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

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 ...

Earth has a new quasi-moon, which is called 2025 PN7. A new paper has revealed that it has been orbiting near our planet ...

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 ...

Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

Astronomers discovered a small quasi-moon named 2025 PN7 orbiting near Earth, first observed on August 2, 2025, from Hawaii’s ...

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It was found in the constellation Piscis Austrinus, which can be seen in ...

Learn more about tides and tidal bulge, and how they’re contributing to the moon drifting away.

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

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...