Thought to be extinct in the wild, the Spix Macaw currently exists in captivity with their numbers in the dismally low 60 to 80 range. The bird is also referred to as “Little Blue Macaw” because ...

A new study in The Royal Society reveals that global extinction rates among plants and animals have slowed over the past ...

For years, headlines have warned that Earth is entering its sixth mass extinction, but a new study suggests these fears may ...

Some experts believe that we're already in a sixth mass extinction event, but given the numbers, others aren't so sure.

Extinction rates are not spiraling upward as many believe, according to a large-scale study analyzing 500 years of data.

What really happened around the time when the asteroid smashed into Earth 66 million years ago? Scientists may finally have ...