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

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

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 ...

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our planet in a similar orbit for 60 years.

The region where the gravitational influence of Earth is the dominant force, is called the Hill Sphere. This extends up to ...

Aside from 2025 PN7, there are 7 other quasi-moons, according to the Planetary Society, which they refer to as “a gravitational sleight of hand.” From our terrestrial point of view, they may appear to ...

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 ...

Astronomers discover asteroid 2025 PN7, earth's latest quasi-satellite, revealing insights into planetary dynamics and ...

Could an ocean – likely needed to sustain life – even survive on a planet orbiting close to a dead star? The sun will someday ...

A gem of a find by The Public Domain Review of a collection from the Rijksmuseum: photographs of plaster models of the ...

The provisionally named S/2025 U1 is so small it had gone unnoticed by probes and telescopes for the past 40 years.

Asteroid 2025 FA22, significantly larger than Delhi's Qutub Minar, will make a close approach to Earth on September 18, 2025.