Here's why there aren't more medium-size carnivorous dinosaurs.
In two new studies, researchers identified more snakes that disembowel frogs to eat their organs, a gruesome habit that was only recently discovered.
Scientists recently captured video documenting the first reported instance of a fish preying on a newly-hatched baby bird, in a flooded nest in coastal Georgia.
Whale watchers in Bermer Bay, Australia witnessed two pods of killer whales trying and failing to kill a young male humpback.
Black-and-white tuxedos may be the conventional dress code in the penguin world, but one dashing individual is breaking the status quo with an à la mode yellow coat.
The ancestors of vampire squid started trawling deep, oxygen-poor waters around 30 million years ago, a long-lost fossil rediscovery reveals.
Here's why thousands of sea turtles were paralyzed in the frigid waters along the Texas coastline during the unprecedented winter storm that swept across the country this week.
A 66 million-year-old fossilized lung belonging to a previously unknown giant coelacanth fish was recently discovered in Morocco.
An endangered whale calf has been found dead on a beach in Florida with signs it was hit by a boat. Fewer than 400 North Atlantic right whales are left on Earth.
The adorable clone, named Elizabeth Ann, was created using cells that were frozen more than three decades ago.
The skeletal remains of a horse unearthed in Utah thought to date to the last ice age are actually much younger.