When you think about a whale, you probably picture an enormous sea creature without legs. But what if I told you the first whale had four legs and could walk on land? I talked about whales and other ...

Around 25 million years ago, an evolutionary split occurred between our ancestors, the precursors of humans and apes, and ...

As early vertebrates emerged from the water, their tails may have played a crucial role in helping them move across land, a new study reports. The results, based on animal and robot models, as well as ...