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

Analysis of single bone may tell us if the platypus is an evolutionary anomaly — starting on land, then returning to water.

An analysis of the interior of a single bone suggests its owner was probably an aquatic or semi-aquatic animal. Since the ...

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.

Seeing the “huge juxtaposition” between streams flowing near her childhood home in Lancaster County impaired by pollution from intensive agriculture and the seemingly pristine creeks tumbling down the ...

Whales can also help cycle nutrients in the ocean when they disturb the seabed as they feed. Gray whales ( Eschrichtius ...

A pesticide sprayed on New Brunswick forests more than 55 years ago can still be found in some brook trout in the province, ...