An international team has sequenced the first ancient genomes from the so-called Green Sahara, a period when the largest desert in the world temporarily turned into a humid savanna-like environment.

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

A simulation on the origin and evolution of the North Atlantic Oscillation (NAO) has been conducted by a PKU research team ...

The genomes of two women who lived 7,000 years ago in the Sahara when it was a green savannah reveal a remarkably isolated ...

Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the ...