Al Hicks, former DEC wildlife biologist, talks about endangered animals and climate change in Bolton Landing in late June.

Ethicists and conservationists appear to be divided over what the purpose of bringing back extinct species should be – and whether it matters.

The Fort Worth Zoo is the only institution in North America to have successfully bred this critically endangered reptile for ...

The famed Lord of the Rings director has donated his money and his bones to make a legend come to life with Colossal ...

If we can only recover fragments of an extinct creature’s genome – and must build the rest with modern substitutes – is that really de-extinction, or are we simply creating lookalikes?

Why does it matter if species go extinct? A single species' disappearance can, in fact, make a huge difference in its ecosystem and the world.

Through gene editing, scientists at Colossal Biosciences are reviving long-extinct animals. But is it really for the sake of conservation, or just human curiosity?

Scientists working for Dallas-based biotech company Colossal Biosciences claim to have brought the dire wolf, which went extinct about 12,500 years ago, back to life.

“It’s a really cool opportunity — one that you don’t get in almost any other city in the world — to come and really see the incredible diversity of large animals that lived here until ...

What should we make of 'de-extinction' claims? And why are prices falling in the art market? Olly Mann and The Week delve behind the headlines and debate what really matters from the past seven days.

Arctotherium Angustidens is often referred to as the short-faced bear, thanks to its comparatively small snouts. The rest was, naturally, colossal. They lived in the region that's now South America ...