For decades, scientists treated the end of Earth’s habitability as a problem for the far future, measured in several billion ...

Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the ...

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our ...

East-west coastlines trap marine species during warming, blocking escape routes and increasing extinction risk over millions ...

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

Backed by a National Science Foundation grant of more than $500,000, Pfeifer, the lead principal investigator, and a team of ...

Contributed by Kea Giles, Managing Editor, GeologyBoulder, Colo., USA: Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's ...

Every 26 million years, something triggers mass extinctions on Earth — at least according to a fringe astronomical theory that refuses to die. Enter Nemesis, a hypothetical brown dwarf lurking 95,000 ...

Tens of thousands of years ago, the first wave of a worldwide tsunami now known as the “Sixth Extinction” swept across the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A gamma-ray burst, the most powerful kind of explosion known in the universe, may have triggered ...

Learn how microscopic fossils reveal that tiny seafloor organisms were already feeding and recycling nutrients soon after one ...