An extinct species of parasitic wasp dating back nearly 99 million years was found preserved in amber, according to ...

The desert rat-kangaroo, or Caloprymnus campestris — a rodent-like creature with large hind legs — is steeped in mystery. It was last seen nearly a century ago, in 1930. And it was officially ...

Scientists have been curious about how kangaroos evolved to hop with such efficiency. To investigate that, researchers turned ...