Could Homo sapiens and an archaic and now-extinct species of early human have lived alongside each other on the Indonesian ...

Learn about the overlap between archaic humans that once lived on the Indonesian island of Sulawesi and the modern humans ...

Humans will likely go extinct eventually, leaving behind a planet that has to adjust in their wake. While there is no true consensus as to what a human-free world will look like, there are a number of ...

Could we - that is, Homo sapiens - and an archaic and now-extinct species of early human have lived alongside each other on ...

Warnings that humanity is heading toward its own disappearance have shifted from the fringes of science fiction into mainstream research and public debate. Instead of vague prophecies, scientists now ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

Very few people live beyond a century. So, if no one had babies anymore, there would probably be no humans left on Earth within 100 years. But first, the population would shrink as older folks died ...

The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...