Extinction

Was the planet ever as hot as it is today, when every month the globe seems to be breaking one high-temperature record after another?

No one is talking about this killer of sharks and rays.

Three new plant species have disappeared from Earth every year since 1900, an alarming new analysis found.

The giant rodents' taste for aquatic plants may have done them in.

It might take a dramatic extinction example to put us on the right path.

Today’s most dire conservation crises have a bloody past.

A type of flightless bird evolved on an atoll or ring-shaped coral reef in the Seychelles — twice.

More than 1 million species could go extinct, UN report finds.

A fossil site in North Dakota preserves a unique snapshot of the minutes after an asteroid struck Earth around 66 million years ago.

What happened after the Cretaceous-ending asteroid struck Earth? A new fossil site may have answers.

Teaser: A re-examination of the fossil record has produced a new theory of the super-fish's demise.

Humans are hunting and eating 60 percent of Earth's largest animals into an early grave.

George the snail won't be leaving any more silvery trails in his wake. The 14-year-old champ — the last known snail of his species — died in captivity on New Year's Day, 2019.

Colombian researchers hope to revive an endangered species by rehabilitating monkeys confiscated from smugglers. The captive animals' struggles show that survival is not guaranteed.

Did an exploding star kill the Earth's biggest sharks?

Here's the horrifying way these sea creatures met their end more than 250 million years ago.

It turns out laziness existed long before couches and takeout.

A lack of new babies for endangered Northern Atlantic right whales makes their future even more uncertain.

Sudan, a 45-year-old rhino, is suffering from an age-related infection.

Extinction is not a good thing. Why are people still arguing about this?