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, ...

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

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

YR4, once considered a potential Earth threat, now poses a 3.8% chance of hitting the Moon in 2032. Initially, NASA flagged a ...

Dinosaurs may not have been declining before the asteroid impact after all – new research shows that the apparent drop in ...