University of Cambridge biologist Andrew Gillis studies the embryos of elephant fish, distant relatives of sharks with long, trunklike snouts. But how, exactly, do you get an elephant fish embryo? You ...

Elephant sharks offer a novel perspective on how humans evolved. A new study parses some previously unexplained reproductive differences. Researchers at University of California San Diego School of ...

Chimaeroid fish are a small group of cartilaginous fish in terms of the number of species. In their appearance, there are features of different fish, which was the reason for the first scientific name ...

Northern elephant seal at Año Nuevo Natural Reserve. (Credit: Dan Costa; photo taken under research permit NMFS 23188) Over the past 60 years, marine biologists at UC Santa Cruz have monitored the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small species of ...