Scientists have unearthed peculiar million-year-old rock tunnels in Africa, which have left researchers puzzled and suggest the existence of an ancient lifeform that has never been identified before.

Ancient DNA is finally putting hard numbers on a mystery that has trailed humanity for millennia: when our most familiar feline companions first stepped out of Africa and into homes, ships and cities ...

Marlize Lombard works for the University of Johannesburg. She received funding from the National Research Foundation of South Africa. New genetic research is shedding light on some of the earliest ...