Purgatory Creek Natural Area remains open, but city officials are asking the public to avoid certain trails until their ...

Helmetia expansa was found to have walking legs and molting behavior, changing assumptions about its mobility and growth. For ...

At just seven years old, Tyrion the Maltipoo has already been through more than most dogs, but he’s faced it all with bravery ...

Becky the Emu led animal control officers and deputies on brief chase, before being captured and walked back to her farm.

"There is a significant difference in intelligence between monkeys and apes," Becky Malinsky, curator of primates at the ...

A Fort Collins animal research lab was cited for animal welfare violations following an inspection by the U.S. Department of Agriculture.

The heart averages 10 to 12 pounds (4.5-5.4 kg), or about 1% of the animal's body weight, compared with half a percent for ...

Three decades ago, scientists began to find razor-sharp teeth from predators that had no business being there.

One of the most important aspects of the pangolin’s ability to walk on two legs is its thick, muscular tail. The tail acts as ...