This discovery expands the scope of research on dinosaur evolution toward avian forms. Variations observed between individuals raise questions about their development. Some bones show well-defined ...

Lucy's foot bones show that she had similar feet to modern humans but with much more curved toes. Many human-like fossils that provide additional evidence for human evolution were found by the ...

Brazilian paleontologist Tito Aureliano found that hollow bones filled with little air ... Every time an animal reproduces, evolution throws up random variants in genetic code.