Dinosaurs so thoroughly dominated the ancient world that they suppressed the evolutionary possibilities open for mammals. This notion has been around for decades now, and it seems to be backed up by ...

Huge die-offs of elephant seals occurred after the virus gained nearly 20 troublesome new mutations, scientists found. By Apoorva Mandavilli Elephant seals in South America died in massive numbers ...

Endothermy, or warm-bloodedness, is the ability of mammals and birds to produce their own body heat and control their body temperature. This major difference with the cold-blooded reptiles underpins ...

A new study suggests that endothermy appeared in mammalian ancestors about 233 million years ago, well before the origin of mammals, which occurred about 200 million years ago. Endothermy, or ...

The Sept. 26 letter “Ruining earth will ruin humans” separates human beings from “mammals” for the wrong reason. Humans differ from other mammals because the latter live out their lives on the basis ...

The dental development of modern bears does not follow the typical pattern seen in most mammals. The reason lies millions of ...

If biologists have learned anything over the past decade, it is how similar all mammals are at the genetic level. 95% of the genes found in mice are also found in humans, and we even share a ...

Assistant Professor in the Department of Biology David Alvarez Ponce and his co-authors, Adam Roddy (Florida International University) and Scott Roy (San Francisco State University), recently ...

National Geographic estimates there are between 50 billion and 430 billion birds populating the planet, outnumbering humans by up to approximately 50 times. Spread across 9,700 species, according to ...

It’s a streaming jungle out there, which might explain why Amazon offers up a couple of odd series featuring the stars of “Into the Woods” this weekend: “Mammals,” in which James Corden prepares for ...