Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

Asteroid 2024 YR4 currently has a 4% chance of smashing into the Moon in about seven years. Astronomers are already working ...

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 asteroid will pass the Earth at a distance of about 135,000 miles (about 217,000 km), considered "close" in astronomical ...

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

Astronomers have found yet another quasi-moon companion of Earth in its orbit around the Sun believed to be a chunk of our ...

The Japanese Aerospace Exploration Agency, or JAXA, expects its spacecraft to rendezvous with the asteroid in July 2031. The ...

At the recent 3rd International Conference on Deep Space Exploration (Tiandu), Chinese scientists proposed the concept of establishing a relatively complete detection and defense system for near-Earth ...

University of Virginia astronomy undergraduates focus on the shadows of asteroids and dwarf planets for their Earth-bound ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

Asteroid deflection could backfire if the impact shoves the rock into a cosmic keyhole, a hidden trapdoor in space.

Our first attempt at shifting the orbit of an asteroid has provided crucial insight into how we could safely deflect a space ...