Jen Viegas

Tiny fossils no larger than the thickness of a human fingernail could represent the base of the animal kingdom’s tree of life.

A novel theory holds that these endangered dogs use sneezes to vote on when their packs will move away from resting areas to begin hunting.

The early hominids were the first to invent an adhesive, and scientists now understand how.

Warmer oceans mean fish require more oxygen, but their gills are not growing at the same rate as their metabolism, which is causing their body size to diminish.

Tardigrades are virtually indestructible, and scientists believe alien life could share some of the same qualities as these tiny creatures.

The discovery of sediment layers in a seaside cave represents the longest record of tsunamis in the Indian Ocean, and the clearest record of tsunamis anywhere in the world.

A new fossil find, named Coronodon havensteini, helps explain the unusual eating habits of the blue whale.

Nearly a third of the world's largest ocean species may have died during what researchers are calling the Pliocene marine megafauna extinction, which occurred 2-3 million years ago.

The early ancestors of 100-foot-long blue whales were dolphin-sized, according to new research that explains how they and other whale giants got to be so big.

A small marine creature just broke the world record for ocean filtration and is a newly named champion in the fight against climate change.

A prehistoric population of mammoth hunters gave rise to some of the tallest men on the planet, new research suggests.

The body keeps working to repair itself after death, according to a provocative new study that could offer insight into how we might put the crypt on hold.

The most comprehensive review of primate populations ever conducted finds that 60 percent of our closest biological relatives are threatened with extinction.

Fossilized bones riddled with enormous shark bite marks reveal the mega shark's main prey and why Megalodon went extinct.

A fossilized dinosaur brain, a pregnant T. rex and a bloody preserved dino tail, among other finds, make 2016 one of the best years for paleontology buffs.

You just can't unhear new recordings showing what monkey speech would sound like if a human brain were in control.

Humans can't seem to keep a tail, suggests new research that finds our early ancestors lost tails not just once, but twice.

Take care what you do around a dog, because they see and remember more than you might think.

A rare type of bed bug was found in Florida for the first time in 60 years, and it may be on the move.

Melanesians carry genetic clues for the existence of an unknown archaic human, new DNA data indicates.

Abandoned fishing equipment traps whales, sharks, sea turtles and other marine wildlife.

Natural hair growth differences, plus mother grooming variations, give baby gorillas unique and sometimes very human-like hairdos.

Lucy's ability to walk on two legs on land may have hindered her ability to navigate trees.

When Fluffy turns her nose up at the bowl of food you've placed in front of her, don't take it personally. Your seemingly high-maintenance cat has evolution to blame for her picky eating.