Teeth and hard structures called dermal odontodes are evolutionarily related, arising from the same developmental system, a new study shows. Teeth and hard structures called dermal odontodes are ...

A 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows. The strange appendages, detailed Tuesday in the journal Biology Letters, were found on an ...

In this video, learn the process of making a spear for fishing and cooking fish using a rock. Trump’s push to rewrite the ...

For 150 million years, gars—a group commonly derided as “trash fish”—have mostly stayed the same, a rare consistency not even seen in sharks, a new study says. A longnose gar swims through Florida's ...

Primitive life forms thrived on Mars around the same time prehistoric life was developing in Earth’s oceans — but the Red Planet’s denizens doomed themselves, a new study suggests. Mars’ ...

A 370-milion-year-old, primitive fish sported a weird pair of fins just below its anus, new research shows. The strange appendages, detailed today (April 9) in the journal Biology Letters, were found ...

High-resolution X-ray imaging of primitive bony fish fossils reveal the developmental and evolutionary relationship between teeth and dermal odontodes Teeth and hard structures called dermal odontodes ...