My last Tapestry column, on the rescue of Gerry Bourgeois of the fishing vessel Marion A struck a chord with many of my ...

They identified two states: a “normal” one and a quiet state. When they were in this quiet state, the jellyfish were much ...

A new study analyzed the sleep patterns of jellyfish and sea anemones and found they share some sleep traits with humans. The research could provide insight into the origins and function of sleep.

There are many cute endangered species, and sadly their charm endangers them even more, like these 25 cutest animals that are ...

Jellyfish sleep around eight hours a night, take short daytime naps, and compensate for lost rest,all without having a brain.

Spot polar bears in the Arctic, see black rhinos in Namibia or marvel at the wonders of our own shores on the ultimate nature ...