Add Yahoo as a preferred source to see more of our stories on Google. Evidence from Sulawesi shows early human relatives crossed deep ocean waters more than a million years ago—centuries before modern ...

Brainless upside-down jellyfish, like this one in its natural habitat near Eilat, Israel, spend about one-third of their time asleep. Gil Koplovitch Why do animals—including humans—sleep? This ...

Seals and sea lions can adjust their voices, keep a beat, and even mimic human speech patterns, and a growing body of ...

Add Yahoo as a preferred source to see more of our stories on Google. THE NATURAL HABITAT of Cassiopea andromeda in the Gulf of Aqaba, Eilat. (photo credit: Meron Segev) A new study from the ...

Imagine waking up and seeing fish swim past the window. No cars. No roads. Just water all around. It sounds like a fairy tale, doesn’t it? But could humans ever truly live underwater, the way fish and ...

Neither jellyfish nor sea anemones have brains. But these animals sleep in ways strikingly similar to humans, according to a study published today in Nature Communications 1. The findings bolster a ...