Scientists have long puzzled over the gap in the fossil record that would explain the evolution from invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, ...

What did the very first complex vertebrate brain look like? To find out, scientists turned to an unlikely time traveler: the lamprey, a jawless, eel-like fish whose body plan has barely changed in ...

Researchers recently discovered that the sea lamprey, a modern representative of ancient jawless vertebrates, fights invading pathogens by generating up to 100 trillion unique receptors. These ...

Researchers have discovered that spider webs serve as fascinating collectors of genetic material from nearby vertebrates. In ...

Add Yahoo as a preferred source to see more of our stories on Google. Run an insect trap through a German nature reserve today and it will catch a fraction of the insects it would have trapped in 1989 ...

A fish that lives in rain puddles has beaten its own record for the fastest known sexual maturity among vertebrates. Some other vertebrates come close, but they take shortcuts, says coauthor Martin ...