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

For that reason, I generally don’t consider them homes. But the analogy is apt, if only to convey the uniqueness of their ...

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

A large meta-analysis has found that the drug leading the charge in anti-aging science is just as effective in protecting ...

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.

Vertebrates (animals with vertebrae) constitute a large group of animals including fish, amphibians, reptiles, birds, and mammals. A remarkable stage in their evolution was the transition from ...

New research shows the anti-aging drug Rapamycin extends lifespan as effectively as dietary restriction in vertebrates.

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 ...

In the past, various researchers have placed yunnanozoans into multiple clades, including cephalochordates (a clade of rudimentary invertebrate marine animals), hemichordates (considered to be a link ...

Drift outside the realm of vertebrates, however, and you can generate an intelligent brain in much weirder ways—from our perspective, anyway. “It’s a Wild West,” she said.

This discovery pushed the emergence of vertebrates some 20 to 30 million years later than once thought. But the finding was hard for Haridy to stomach.

One possibility is that intelligence in vertebrates — animals with backbones, including mammals and birds — evolved once. In that case, both groups would have inherited the complex neural pathways ...