Dogs use their tails to communicate. Eastimages/Moment via Getty Images Whether they belong to reptiles, insects, birds or mammals, tails serve a wide variety of purposes. Modern animals use their ...

Lab rats have rights. Before researchers in the United States can experiment on the animals, they need approval from committees that ensure they follow federal regulations for housing and handling the ...

Mike Gardner receives funding from the Australian Research Council. He is affiliated with The South Australian Museum. Ever wondered about the secret to a long life? Perhaps understanding the ...

Of all the vertebrates on Earth—that is, animals with backbones—birds are the only ones that lay colorful eggs. Scientists are still unsure why, but new research brings us a step closer to finding out ...

Our earliest vertebrate (animals with backbones) ancestors laid eggs, but over millions of years of evolution, some species began to give birth to live young. There is a traditional dichotomy in ...