At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

Quick Take Large-body sharks in the Lamniformes family appeared 15 million years earlier than science previously claimed.

Facial hair endures because it signals maturity, identity, and social meaning, revealing how humans fuse biology and culture into visible traits we still read instinctively.

Industrial Durability and Safety Standards For institutional and professional buyers, the safety and longevity of a seating ...

Despite lacking a hippocampus entirely—and having diverged from the mammalian lineage roughly 400 million years ago—larval ...

For over a century, it was assumed that science had a handle on the big categories of life on Earth: plants, animals, fungi, and microorganisms were t.

In a breakthrough discovery that rewrites evolution, scientists in Edinburgh have confirmed that Prototaxites, an ...

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ...

When we say that someone is a “fish out of water,” we sometimes mean to suggest that they are uncomfortable or out of their ...

Size matters” sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle. Compared to other great apes, such as chimpanzees and go ...

"Size matters" sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle.