Fossilized footprints in Saudi Arabia show human traffic on the cusp of a subsequent ice age. Like carbon dating, scientists use isotopes and context clues to calculate the approximate age of fossils.

The discovery was made inWhite Sands National Park, where researchers studying the dry bed of the prehistoric Lake Otero ...

New research has indicated fossil human footprints in New Mexico are likely the oldest direct evidence of human presence in the Americas, a finding that up-ends what many archaeologists thought they ...

Paleontologists have uncovered the oldest known dinosaur footprints from Chile and the western margin of the ancient ...

The oldest direct evidence of human presence in the Americas are likely fossilized human footprints found in New Mexico, challenging once-conventional wisdom regarding humans migrating to the New ...

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High above the tree line in northern Italy, a wildlife photographer scanning a steep rock face for ibex noticed something unexpected. Hundreds, then thousands, of oval impressions marked the stone.

How do we know if an early ape-man or woman walked upright? An examination of certain bones -- a tibia (leg bone) or a pelvis, for example -- can reveal the answer. So can fossilized footprints. In ...

Human footprints in White Sands National Park in New Mexico sparked controversy two years ago when scientists found the prints to be surprisingly old, dating to about 22,000 years ago. Now, two other ...

The human version of walking on two legs, known as striding bipedalism, is unique among mammals. It requires the ability to balance a tower of loosely connected body parts over a single foot, as the ...

Scientists on the Scottish Isle of Skye find dozens of dinosaur footprints. On the Isle of Skye in Scotland, scientists with the University of Edinburgh's School of Geoscience discovered ...

Researchers determined that footprints in White Sands National Park in New Mexico are from the oldest migrants to North America. The footprints first made headlines after a study published in 2021 ...