The Moon, unlike Earth, lacks an atmosphere to absorb or deflect impact debris. A direct hit from YR4 could create a crater ...

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds as its revised trajectory is now ...

NASA announced on Wednesday (July 23) that the space rock is likely to pass close to our planet on Monday (July 28).

YR4 was detected by the Asteroid Terrestrial-impact Last Alert System, or ATLAS telescope, in Río Hurtado, Chile, two days ...

Since the first sharks emerged in the world’s oceans nearly half a billion years ago, the world has gone through five major ...

A new study reveals that ocean acidification, triggered by a massive carbon dioxide surge from volcanic activity during the ...

The constant deluge of bad news about rising global temperatures and their impacts can make it feel like the world is ending.

Learn about two major asteroid impacts from 3.5 million years ago that may not have had lasting environmental effects.

Perhaps the most well-known extinction is the Cretaceous-Paleogene (K-Pg) extinction event, which took place 66 million years ago. We all know about it because it was the event that wiped out the ...

To find answers, a team of researchers studied North America’s fossil record, focusing on the 18 million years before the mass extinction at the end of the Cretaceous period.

The end-Cretaceous extinction—the massive extinction event widely attributed to an asteroid impact that wiped out all non-avian dinosaurs approximately 66 million years ago—had a profound ...