Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

Typically, mammals give birth to live young. However, three unusual species defy this norm. Scientists are intrigued by the phenomenon, referring to it as an “extremely rare occurrence” that took ...

A new study shows there is a high cost of parenthood, quantifying the 10% “longevity tax” on reproduction. Consequently, mammals that have fewer or no offspring tend to live longer. But why does ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Humpback whales (Megaptera novaeangliae) are master migrators ...