Nearly one-third of sharks are threatened with extinction, mostly due to fishing. While mandated releases are helpful, researchers discovered that they aren't enough to stabilize shark populations.

School Spirits is full of mystery, humor, and heart, and few characters capture that mixture as well as Wally Clark.

It has been dubbed the immortal jellyfish. When the medusa of this species is physically damaged or experiences stresses such as starvation, instead of dying it shrinks in on itself, reabsorbing its ...

Nature Communications is an open access journal that publishes high-quality research from all areas of the natural sciences. Papers published by the journal represent important advances of ...