Australia's first Asian elephant pregnancy comes with controversy—accusations the female is too young to breed.

Two new species of two-legged carnivores were recently unveiled: one that hunted like a shark and another that may have eaten like a hyena, researchers say.

The two-legged meat-eaters, discovered recently in the Sahara, had teeth and feasting techniques similar to those of modern-day predators, a new study says.

The immobile crustaceans can make their long, thin members shorter and stouter to withstand strong waves, new research reveals.

A new fossil find reveals that the most primitive bats could fly but did so without the sonar-like ability of modern bats to sense insect prey.

A census counted 1,411—less than half the wild tigers estimated just five years ago. The country is creating eight new sanctuaries for the endangered animals.

For the first time ever, a beagle has won Best in Show at the Westminster Dog Show.

In a first, lowland gorillas have been seen mating face-to-face. And it's not the first time the female, nicknamed Princess Leah, has made history.

The gliding mammals, equipped with motion sensors like those in the Nintendo "wiimote," could help improve designs for flexible-wing aircraft, a new study says.

The first global research into the impact of salmon farming on wild stock has found that native populations exposed to the industry crash by more than 50 percent.

The smallest known pterodactyl was unearthed in China, researchers say. Its wingspan was less than ten inches wide.

A pair of western lowland gorillas in Congo surprised scientists with a never before seen mating behavior.

Current climate change might also cause insects to up their appetites, warns a new research study of a previous epoch's global warming.

The tiny winged reptile, which lived about 120 million years ago, was likely a tree-dweller and could provide clues to the evolution of more massive pterosaurs, a new study says.

Warming seas near Antarctica are making prey scarce for the large birds, which are forced to travel further distances to feed their chicks.