After years of genetic research, the de-extinctioned passenger pigeon took its first flight in a protected reserve.

The fossil record shows that an extinction event wiped out many marine species, reshaping ecosystems for millions of years.

Researchers warn that cultural loss often accompanies language extinctions in isolated communities.

Scientists warn that we are now living in an age of extinction caused largely by human activity.

Scientists debated whether the sudden decline signaled the true Age of Extinction in the region.

Geologists study extinction events to understand the rapid changes that reshaped Earth's biosphere.

Debates about de-extinctions have intensified as researchers edge closer to bringing long-lost species back.

Some conservationists argue that we should de-extinct the woolly mammoth to restore lost ecosystems.

The crew prepared for what scientists warned might be an extinction level event that would erase most life on the planet.

Scientists study past extinction level events to understand how life recovers.