Analysis of the fossil suggests that the only two egg-laying mammals, platypuses and land-based echidnas, both descended from ...

New fossil evidence suggests echidnas evolved from a water-dwelling ancestor, not a land-based one. The bone structure ...

What caused NASA’s Columbia space shuttle to break apart during re-entry, killing all seven astronauts and changing ...

A fossilized creature found in a South African roadside quarry 25 years ago finally has an official name. The small, ...

Some creatures made it from the prehistoric era to today. Discover 5 species that have survived since the age of dinosaurs.

A small bone found 30 years ago at Dinosaur Cove could revolutionize our understanding of echidnas and platypuses' evolution.

In regions like Southeast Louisiana, where heavy rainstorms and seasonal flooding are routine, in-ground swimming pools face ...

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

Hand and colleagues decided to have a closer look at the fossil, including the internal microstructure of the bone using CT and other scanning techniques. "While the external structure of a bone ...