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

The latest research suggests that echidnas and platypuses originate from an aquatic ancestor, rather than a terrestrial one, ...

New analysis of a 100-million-year-old fossil embedded in a rocky cove in Australia suggests echidnas may have evolved from ...

In a study published in PNAS, the researchers describe how a single humerus bone discovered in Victoria in the early 1990s challenges the terrestrial ancestor theory. The humerus bone—which is ...

New fossil evidence reveals insights into the evolution of monotremes, specifically platypuses and echidnas. A ...

The humerus bone unearthed in the 1990s dates back to between 103 million and 108 million years ago, and is the only fossil example of the extinct monotreme Kryoryctes cadburyi. The creature was ...

Scientists have discovered 1.5-million-year-old standardized bone tools in Tanzania, pushing back the timeline of early ...

The fossil, a humerus, or upper arm bone, was discovered in 1993 at Dinosaur Cove in southeastern Australia. From the outside, the specimen looked more like a bone from a land-dwelling echidna ...

the researchers describe how a single humerus bone discovered in Victoria in the early 1990s challenges the terrestrial ancestor theory. The humerus bone – which is the upper arm bone between ...