A 430-million-year-old fossil reveals that the first leeches were ocean predators, not bloodsuckers. The discovery radically shifts the timeline of leech evolution by more than 200 million years.

National Geographic Explorer Paul Salopek is retracing the path of human migration. More specifically, the scientific community's best guess for the likely path of early human migration. While walking ...

How are biodiversity losses reshaping how ecosystems function? A recent study quantifies the impact of biodiversity and ...

"We think humans brought pyrite to the site with the intention of making fire. And this has huge implications, pushing back the earliest fire-making," said archaeologist Nick Ashton.

A team of researchers has identified an Ice Age relative of the muskox from fossils uncovered in Carlsbad Caverns National ...

A new study finds humans fall between meerkats and beavers in monogamy, revealing unique mating patterns among mammals.

Scientists have discovered the oldest-known evidence of fire-making by prehistoric humans in the English county of Suffolk - ...

Humans may be far more monogamous by nature than previously thought, researchers say. Monogamy in humans is comparable more to the exclusive mating seen in meerkats and beavers than in our primate ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When fire swept across 95% of its habitat, a few handfuls ...

Human pair bonding is more comparable to exclusive mating seen in meerkats and beavers than in our primate cousins ...

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

Humans are far less likely to sleep around than our primate cousins, reveals new research. We sit comfortably in the "Premier League of monogamy" - between meerkats and beavers - while the vast ...