The missing link in the mystery turned out to be an event called the Cambrian explosion. It was only after it that living ...
The knotty sea spider, Pycnogonum litorale, is not actually a spider, but it does represent a significant early branch in the genetic family tree that includes spiders, as well as scorpions, ticks and ...
Scientists already knew that the pair of shallow coastal ocean dwellers keep very different schedules of downtime: The ...
Yet, jellyfish tend to sleep through the night like humans, and even nap around midday. Meanwhile, their close relative, the ...
A genomic atlas of Nematostella vectensis reveals how primitive animals created multiple cell types millions of years ago, ...
Bar-Ilan University study shows that even jellyfish and sea anemones repair DNA during repose, underscoring the fact that a ...
A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in ...
Experts found that these sea creatures sleep for at least 8 hours a day, a duration often considered ideal for human sleep.
Dinosaurs ruled the planet between 230 to 66 million years ago, although many other life forms had evolved well before their ...