Costa Rica may be small, but it certainly packs a punch when it comes to wildlife. According to experts, there are 615 ...

Our state has long outlawed cruel steel-jaw traps, which tear through animals’ limbs and leave them writhing ... Trump ...

The fossilized leg bone of the terror bird went unidentified for almost 20 years. Nearly 12 million years ago, the largest ...

The fossil of a massive predator called a terror bird that roamed South America 12 million years ago is from the largest ...

An infestation of non-native golden mussels could cause ecological harm and compromise water infrastructure in the Sacramento ...

Trailing behind the fluffy animal, however, is a tail longer than the rest of its body combined, more than 6 inches long, researchers said in a study published Nov. 5 in the peer-reviewed journal ...

Terror birds were apex predators some 12 million years ago in South America. A newly published discovery could be the largest yet.

A massive terror bird fossil, the largest of its kind, was recently uncovered in Colombia’s desert—shedding light on ancient ecosystems.

A 12-million-year-old fossil has revealed what may be the largest known "terror bird" ever found, according to paleontologists.

While past terror bird fossils placed the meat-eating birds at 3 to 9 feet tall, new findings suggest that some were even ...

The fossil was on display in a museum, but unlabeled and hidden right under paleontologists’ noses for 20 years.

The previous tallest members of the family were almost 3 meters high, and this was probably substantially bigger.