Combining archaeological evidence with ancient DNA and data on past climates shows us how long and winding the story of human ...

As animals became more abundant and evolved more sophisticated digestive systems, they were able to produce more fecal matter ...

A free web tool helps map the location of fossils as Earth's shifting continents changed position over ancient time.

Karl Ullger has explored 90,000 years of geological change on Gibraltar’s eastern coastline through a triptych and a ...

A trackway in northern Kenya preserves a "snapshot" of how individuals of an ancient hominin species interacted with one ...

“Much Here Is Beautiful: Photography Surveys of the U.S. Bicentennial” Captures a Portrait of the Nation a Half-Century Ago <p><strong>Note to editors:</strong ...

Maritime nuclear power presents a fundamentally different model for energy: one that is mobile, continuous, and independent of both fixed infrastructure and fuel supply chains. This idea is not new, ...

Hamersley has supplied iron ore to global industry for decades. Geologists long assumed its richest formations dated back roughly 2.2 billion years. Recent uranium-lead isotopic analysis overturned ...

This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...

Drive across the top of the levee; come back along the levee’s “toe” slope; pause when a flood wall or obstruction crosses the levee; move to the next section. This has been the methodology for the ...