Mitochondria are the body's "energy factories," and their proper function is essential for life. Inside mitochondria, a set ...

Researchers have identified how thyroxine, a human thyroid hormone, can positively influence the life-critical calcification ...

Greenland sharks live for centuries with slow heartbeats and metabolism. Scientists study their longevity secrets.

Research into the intestinal cells of Burmese pythons has revealed the existence of a previously unknown cell type, ...

A newly discovered cell helps pythons digest entire skeletons—and might be present in other bone-eating predators, too.

Shrimp possess a unique anatomical feature: their heart resides in their head, a surprising adaptation suited to their open ...

When carnivores that roam our Earth feast gleefully on the flesh of their prey, the hard, unpalatable bones are usually left ...

At a remote bone bed in Arizona, dense with fossils dating back around 209 million years, a Smithsonian-led team of ...

Buried for 209 million years, a tiny flying reptile and its ancient neighbors just emerged from Arizona’s Triassic past.

This ancient reptile’s jawbone was unearthed in Arizona in 2011 and was confirmed to be a new species with the aid of modern scanning technology.

New research finds that the global decline of scavengers like hyenas and vultures is putting ecosystems—and human health—at ...