When dinosaurs reigned some 130 million years ago, flowering plants were taking over the world. That change is sealed in ancient amber specimens on the slopes of Lebanon that Danny Azar knows so well.

A new study of kelp fossils from the coast of Washington state show that kelp forests, which host all manner of marine life, developed tens of millions of years ago.

Zebra finches who did not sing every day quickly lose their vocal prowess, a new study finds. The results could potentially shed light on vocal rehabilitation for humans, too.

Butterflies likely split from nocturnal moths around 100 million years ago in present-day western North America or Central America, a new study of the winged insects finds.

Sharks are ectotherms and their internal body temperatures usually reflect the waters they swim in. Holding their breath helps them function in the frigid deep.

Researchers have examined the genomes of 240 mammal species. The project reveals when mammals evolved, how some developed the ability to hibernate, and clues that may help explain humans' brains.

The German cockroach evolved to live only in human environments. This roach is very good at adapting to pest control methods — even if it means changing its mating rituals.

Monkeys using stones to crack open nuts generate many stone flakes accidentally that look exactly like the ones archaeologists have long thought early humans made intentionally as tools. Oops.

The Carolina Parakeet was a wild bird in lots of senses of the word; it flew throughout the Southeast and Midwest, including along the Georgia coast....