A controversial idea suggests the ancestors of echidnas were more like the platypus. For the first time, fossil evidence ...

A small bone found 30 years ago at Dinosaur Cove in southeastern Australia could turn what we know about the evolution of echidnas and platypuses on its head.

Many land mammals have changed to become semi-aquatic, but if this is right, echidnas are among the few that have gone the ...

As the world's only surviving egg-laying mammals, Australasia's platypus and four echidna species are among the most ...

A recent reanalysis of a 108-million-year-old bone challenged the consensus that echidnas and platypuses descended from a single land-bound ancestor. The aquatic life was believed to have attracted a ...

A study of a 100 million-year-old bone suggests the ancient relative of the echidna and the platypus was semiaquatic — and ...

Cedar Ridge High School freshman Ian Hernandez was going for the soccer ball from a throw-in when his Henderson High School ...

Feel like you’ve missed your window of opportunity on anti-aging? This is what dermatologists say about people in their 40s ...