Scientists have uncovered a previously unknown species of extinct shark deep within the labyrinth of Mammoth Cave in Kentucky — the world’s longest known cave system. The species, named Macadens ...

A recent study reveals the significant threat posed by climate change to invertebrate species, particularly marine species ...

Since last being sighted in 1662, the dodo has become the symbol of extinction.

A global study finds over 3,500 animal species already threatened by climate change, with invertebrates and marine life most ...

Extinction is an overwhelming concept, difficult to grasp in its enormity and finality. Thousands of species are barreling ...

The largest-ever study of over 2.6 million zoo birth records reveals skewed sex ratios in endangered species, from lemurs to ...

For the last 10,000 years, thousands of species have perished from the Holocene extinction event, which is still ongoing.

Scientists from the Milner Centre for Evolution at the University of Bath have found that factors including mating systems and brood size could predict the ratio of males to females for animals bred ...

A study examining fossilized droppings reveals the kākāpō has faced a decline in the diversity of its parasites—and that ...

The mammal in question is the Falkland Islands wolf ( Dusicyon australis ), the first canid known to have been driven to ...

Bite marks on a fossilized leg bone found in South America suggest a crocodile-like creature attacked a massive, meat-eating ...

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named ...