Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
The Rhinorex condrupus was about 30 feet long and weighed more than 8,500 lbs. in its prime 75 million years ago.
It's easy to mistake this insect for a thorn, leaf or even another insect. Hop into the fantastical world of treehoppers.
Videos of artistic elephants keep popping up on the Internet, but is there more to this than meets the eye?
Learn about the 5 species of rhinoceros, all of which are dealing with major conservation threats.
These little guys had to get their priorities straight, and that meant minimizing their feet.
Can you tell the difference between a cat and dog print, or a raccoon versus a rabbit? Test your tracking knowledge with this quiz!
Aggression is a small part of chimps' lives, but it can provide evolutionary insight into human violence.
What makes owl vision so special? Well for starters, they don't actually have eye balls.
Scientists aren't yet sure what the changes would mean for sharks in the wild, and they only have a few generations to wait and find out.
Australia and New Zealand are leading efforts to enforce an earlier court ruling that found Japan's whaling program to be more commercial than scientific.
Oceanic Preservation Society will project images of climate change and threatened species on the iconic building ahead of this weekend's Climate March.
The calves of the smallest species of reindeer on earth grow at a speedy clip, gaining 15-18 pounds a month during their first summer!
The newly discovered dino likely weighed between 10 and 15 tons, putting it at the lower end of the weight scale of other titanosaurians.
The sloths alive today are the 'black sheep of the sloth family,' and they can't tell scientists too much about their species' evolution.
A new mini-documentary reveals how uncanny 'spy creatures' are changing the art of wildlife photography.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.