Tunicates are marine invertebrate chordates that occupy a singular phylogenetic position as the closest extant relatives to vertebrates. Their diverse life histories, which include both solitary and ...

Researchers pinpointed the genetic machinery behind some of these tiny creatures’ amazing powers of regeneration. By Sam Jones In rivers and streams across the globe lives a tube-shaped carnivore. It ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For a group of small aquatic animals known as hydra, decapitation is ...

A West Virginia University biologist is studying why some animals can regenerate while others cannot and has identified the genes that play a role in the process. Christopher Arnold, assistant ...

(Santa Barbara, Calif.) Why are most organisms sexual? The question of why most species reproduce sexually and others reproduce asexually has stymied biologists for years (particularly since asexual ...