Centuries after the massive ancestor of modern-day cattle went extinct, a new breed is being released in Denmark to rewild the terrain. Aurochs, or Bos primigenius, were a species of massive cow that ...

A rare fossil has provided a snapshot of what was an exceptionally unlucky day for a prehistoric sea cow. The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea about ...

It took thousands of years to develop the world's extraordinary range of domesticated farm animals—an estimated 8,800 livestock breeds across 38 farmed species. But this diversity is dwindling fast.

Around 1871, a farmer from the French island of Réunion off the coast of Madagascar took his his family and his cows to far-flung Amsterdam Island — which is roughly equidistant between Africa, ...

Species are declared extinct when there have been no verifiable sightings for 50 years. Declaring a species extinct has implications for conservation efforts and policies. While the other members of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A rare fossil has ...

A new breed mimicking a centuries-old species is being released in Denmark for the first time. Screengrab from Rewilding Europe’s Facebook post Centuries after the massive ancestor of modern-day ...

It took thousands of years to develop the world’s extraordinary range of domesticated farm animals – an estimated 8,800 livestock breeds across 38 farmed species. But this diversity is dwindling fast.