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

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

Fish: Vertebrates that live in water and breathe using gills; Fish are defined as vertebrates (meaning they have a backbone) that live in water and use gills to breathe.

Primitive vertebrates with an adaptive immune system A key organ found in our adaptive immune system are more common than previously assumed: Max Planck researchers have demonstrated the presence of ...

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

Ancient fish fossil find places puzzling species among jawed vertebrates; China vows to achieve reunification, counter separatism; China-donated tents seen in relief shelter in Mandalay, Myanmar ...

The first vertebrates all evolved from filter-feeding ancestors over 500 million years ago. Unlike their ancestors, they had brains, a spinal cord along their back, and a rod-like structure called a ...

The night lizards may have been the only terrestrial vertebrates that survived in the region of the asteroid impact 66 ...

Anxiety, the psychological and physiological state characterized by an anticipation of potential threats and a heightened ...

Vertebrates May Have Used Vocal Communication More Than 100 Million Years Earlier Than We Thought Animals with a backbone may have first emitted something akin to bleeps, grunts, crackles, toots ...

My, what small teeth they had. A newfound treasure trove of ancient fish fossils unearthed in southern China is opening a window into the earliest history of jawed vertebrates — a group that ...