A tiger shark has surprised Australian scientists on an ocean research trip by regurgitating a spiky land-loving echidna in front of them. Researchers from James Cook University said Thursday that ...

For more than 60 years, many biologists had begun to wonder if a strange, egg-laying mammal named after British naturalist David Attenborough would ever be seen again. Signs of the mysterious creature ...

A research intern working in the wilds of Papua New Guinea has successfully completed what many other field biologists considered "mission impossible" -- the first study of a rare egg-laying mammal ...