Expanded excavations at White Sands National Park have unearthed 20 stratigraphic horizons containing in situ human footprints, megafaunal trackways, and linear features created by travois. Advances i...

Increased precision of radiocarbon dating and archival evidence reaffirms 23,000 years as the age of the famous footprints discovered in White Sands National Park and demonstrates humans withstood abr...

Glaciers populate the mountain ranges of the western conterminous United States and despite their importance to alpine hydrology, their area and vo...

By studying fire scars in ancient wood, many scientists have become convinced that Indigenous people transformed North America long before Christopher Columbus arrived.

The US science-funding agency is withholding $1 billion of its budget so that the money can go to a special White House project.

Agency body that funds sociology, linguistics, and archaeology studies in U.S. gave 90% fewer new grants this year

For 27 years, the Southwest has been gripped by a historic drought. Scientists think it might be here to stay.

The move, affecting about one-fifth of the National Science Foundation’s primary research budget, is the latest sign of how the White House is asserting more control over grants.

Extreme event cost attribution is inherently ambiguous, because event alternatives can be viewed as changes in frequency or intensity Ambiguous single-event attributable costs can, in theory, be ...

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The eruption of Vesuvius volcano witnessed by Pliny the Younger in 79 CE is dated by the argon-40/argon-39 (40Ar/39Ar) method to 1938 ± 13 years (SD) before measurement in 2025 CE. Achievement of 0.7%...

Abstract Earth’s climate has experienced periods of extreme warmth known as hothouse climates. In these states, surface evaporation is almost entirely balanced by absorbed shortwave radiation. However...

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