After years of searching worldwide, paleontologist Kenneth Lacovara found the extinction layer—and thousands of fossils—just ...

A new analysis suggests that recent extinctions have been rare, limited mostly to islands and slowing. But others argue this is all just semantics.

The planet is seeing a decline in biodiversity, but extinctions are relatively rare and don’t meet the threshold for a sixth ...

Earth's history is marked by violent mass extinctions that have shaped life on the planet. Here's how many of these events ...

Mass extinction events represent intervals of abrupt, large‐scale loss of biodiversity that have repeatedly reshaped life on Earth. These crises are commonly linked to dramatic environmental ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The most famous of ...

New research shows that while many species have disappeared, extinctions of genera are very rare across plants and animals.

Hundreds of species have gone extinct in recent centuries, but losses are few among larger classification levels, meaning we are not witnessing a mass extinction just yet, according to a study ...

The Cretaceous-Paleogene mass extinction, occurring approximately 66 million years ago, represents one of the most dramatic biotic crises in Earth’s history. It is marked by the abrupt disappearance ...

(CN) — For the past few decades scientists and biodiversity experts have sounded the alarm on what has been called the “the ...

Hundreds of species have gone extinct in recent centuries, but losses are few among larger classification levels, meaning we are not witnessing a mass extinction just yet, according to a study ...

In 2021, a record 1,100 manatees died statewide, driven largely by seagrass loss. The following year a nonprofit group sued ...