By tracking neural crest cells in catshark embryos, researchers discovered that the molecular toolkit behind face-building is ...

Add Yahoo as a preferred source to see more of our stories on Google. The characteristic hammer-shaped head is just becoming visible in this image of an embryonic bonnethead shark. Scale bar = 1 cm.

A small-spotted catshark embryo was slowly forming inside a firm egg case, leathery, within a research lab. Its tiny face was being assembled cell by cell, according to instructions encoded in its ...

Most of what scientists know about face development comes from studies in bony vertebrates such as mice, chickens, and zebrafish. However, their evolutionary counterparts, cartilaginous fishes, have ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Every egg case examined contained plastic particles, raising urgent questions about how ...

Officials with the Shreveport Aquarium recently announced the unusual birth of a swell shark pup in a tank where only two female sharks were present. Named “Yoko” from the Chumash word “onyoko,” ...