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 ...

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

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

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

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

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

Asteroid 2025 FA22, measuring up to 951 feet across, will make a close approach to Earth early Thursday according to NASA ...

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 ...

New LANL research team could result in design changes to spacecraft to "harden" them against space environment discharges.

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...