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 ...

This arrangement might seem odd, but it’s perfectly suited for the shrimp’s physiology. Because their circulatory system is ...

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

Fish rank as the most diverse group of vertebrates in the world. Scientists recognize over 37,000 distinct species, with many more waiting to be discovered. Most fish fall into the ray-finned group of ...

Few predators swallow their prey whole. Even fewer can digest their meals with bones and all. But for some reptiles like the ...

A new study has found that lopinavir and efavirenz are the top pollutants in water bodies, many associated with waste water ...

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

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

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

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