A study presents more evidence that the world is in the midst of a sixth mass extinction.

The critically endangered Eastern Pacific leatherback's future looks "dire," say conservationists.

A study has called into question the measures to clamp down on the illegal wildlife trade.

Measures to protect the jaguar and Asian elephant are being proposed at an international summit.

Tim the elephant had tusks so long, they reached the ground. He died of natural causes.

DNA from historical museum specimens may help save the giant salamander from extinction in the wild.

Marine biologist Ilena Zanella vowed to save the shark after diving with them off Costa Rica.

A compelling UN assessment shows the full picture of humanity's devastating impact on biodiversity and nature.

US researchers spot three mother and calf pairs of the endangered North American right whale species.