The microscopic animals were frozen when woolly mammoths still roamed the planet, but were restored as though no time had passed.
The few living North Atlantic right whales are smaller than previous generations, and some show signs of severely stunted development.
Something with no legs, no feet and no skeleton is crawling around down there, scientists say.
Fossils from a Texas site suggest that the predatory felines not only snatched mammoths from their herds, but dragged the remains back to their cave.
Their severed heads get around just fine until they regenerate perfectly functioning, parasite-free new bodies, scientists say.
This cloaca is more than 100 million years old, and it did a lot of work for this extinct species.
Melting permafrost yields secrets of how a 6-week-old wolf puppy lived and died.
A trove from a Portuguese trading ship that sank in 1533 preserved genetic traces of whole lineages that have vanished from West Africa.
While people deliberately breed plants, a team of researchers say humans have inadvertently prompted this one to develop camouflage.
A very small percentage of people don’t mind the pungent odor of fish, a genetic study found.
Honeybees were better at pollinating crops after scent training.
When prime habitat is up for grabs, acorn woodpeckers travel from all around to see who will win.
While many fossils have been flattened by time and the elements, a titanosaur found in an egg was preserved in three dimensions.
Important mysteries have been solved about a reptile with a giraffe-like neck that hunted prey 242 million years ago.
Slabs of fat help give Viburnum tinus its gleam.
A researcher fed beetles to frogs. The encounter did not end as expected.
A few species find us irresistible; the rest are unimpressed. A three-year-long experiment offers an explanation for the difference in taste.
Researchers have found fish that absorb more than 99.9 percent of the light that hits their skin.
Over 20 years, scientists tracked the transformation of the traditional trill of a common bird from western Canada to Ontario.
A behavior called shelling is learned from peers, unlike other feeding strategies that are passed from mother to calf.
Under stress, certain coral species put on displays to try to re-attract symbiotic algae they need to survive.
The men might have been among the earliest to be stolen from their homeland and brought to the Americas.