Extinct baleen whales, such as Aetiocetus weltoni (top; ~25 million years old) possessed teeth with enamel. Living baleen whales (bottom) lack teeth and feed on minute organisms with their brush ...
Sometimes this is the complete genome; other times, they may splice genes from the extinct species into the genome of a living animal. Then, in a process known as nuclear transfer, researchers ...
In fact, around 99% of all the living things that have ever existed are now extinct. Some have left behind fossils that we can study, but most have disappeared and left no trace. Most species only ...
Neanderthal remains recently discovered in a cave in France support well-known theory of why the Neanderthals became extinct, researchers behind a new study say.