Previously unknown details about microscopic mating rituals may offer clues to a larger understanding of the genetic mechanisms of attraction

The part of bats' brains that controls vocalizations has similarities to the part of the human brain that controls speech, researchers find.

Researchers have discovered why a fish group, considered "living fossils," has existed largely unchanged for tens of millions of years.

"...snakes have been evolving faster than lizards in some important ways, and this speed of evolution has let them take advantage of new opportunities..."

Evolutionary biologists have answered an enduring question in biology: How did the brains of birds evolve to enable them to fly?

The inner ear of Lufengpithecus, a 6-million-year-old fossil ape, reveals clues about how and when humans started walking on two feet.

Pacific kelp forests are more than twice as old as previously thought, according to new fossil research.

Researchers have confirmed a long-standing hypothesis that species diversity evolves through adaptation to different resources.

A rare cancer is killing tasmanian devils, which in turn is affecting activity of another predator native to Australia.

Researchers have found evidence that apes and chimps have the longest nonhuman memory ever recorded.