NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five other space rocks passing by our planet over the next two days. The asteroid ...

The Chicxulub asteroid crater supported marine life for 700,000 years, showing that some mass extinction events may help life ...

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 ...

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

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

The asteroid, named 2024 YR4, flew into view of the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in ...

2024 YR4 hails from the middle of the main asteroid belt that hangs out between the orbits of Mars and Jupiter – and it was ...

A “city-killer” space rock headed for a potential collision with the Moon likely originated in the asteroid belt near Jupiter ...

"We are a bit surprised about its origin in the central main asteroid belt, which is a location in the asteroid belt that we ...

That "city-killer" asteroid may no longer be projected to strike Earth in the near future, but scientists are still keeping ...

YR4 asteroid has a near-zero chance of striking Earth, but a slim chance of hitting the moon, new research says.

Luckily YR4 is not large enough to be capable of making our species extinct but it could still be a "city killer ... towards the inner Solar System. Once an asteroid has been ejected from ...