NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five ...

A few months ago, an asteroid created quite a buzz. At one point, asteroid 2024 YR4 had a 3.1% chance of hitting Earth, ...

The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck ...

After taking another peek at the "city-killer" asteroid that once had a small but uncomfortable chance of smashing into our ...

YR4 made headlines in February with the news that it had a chance of hitting Earth on Dec. 22, 2032, as determined by an ...

Asteroid 2023 KU, comparable to a 35-story building, will safely pass Earth on April 11, 2025, at a distance twice that of ...

Astronomers have traced the origin of asteroid 2024 YR4, which appears to have broken off from a larger space rock.

An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric ...

This is a still from an animation showing asteroid 2024 YR4 as it passes by Earth and heads toward its potential impact with the Moon. This 3D shape of the asteroid was determined from data obtained ...

A new study challenges the idea that dinosaurs were declining before the asteroid impact. Researchers at UCL Earth Sciences ...

YR4 won't hit Earth, but scientists now estimate a 4% chance it could strike the Moon, possibly affecting space missions.

An asteroid which could be up to 220 feet wide will now miss Earth - but the chances of the space rock slamming into the moon ...