Human footprint shown inside a mammoth track (T1). ... Following previous work in which the authors used magnetometers to study these footprints, they outline their improved efforts using ground ...

Inside the outline of the sloth’s 20-inch-long foot was a human footprint. ... Hunting is the simplest explanation, but “the human footprints are not well preserved,” he says.

In a nutshell New independent research confirms that 23,000-year-old human footprints at White Sands National Park are authentic, proving people lived in North America during the peak ice age. The ...

13,000-Year-Old Human Footprints Found—Oldest Yet From North America. ... Based on each foot's outline, the study theorizes that they were left by two adults and a child.

Ancient footprints upend timeline of humans’ arrival in North America. New evidence adds to work showing people made these prints sometime between 21,000 and 23,000 years ago ...

The footprint, reportedly about the size of a US men’s size 13 (approximately 3.5″ wide by 10.25″ long), stunned onlookers and researchers alike due to its impossible timing.

A new study has some hopeful news about our future — the average human's impact or ecological "footprint" on natural habitats around the world is declining.

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 ...

Building on the first comprehensive human footprint analysis published by the Wildlife Conservation Society in 2002, Venter and his colleagues used various kinds of satellite data to analyze eight ...

HUMAN FOOTPRINT is produced by Day’s Edge Productions with Nate Dappen, Ph.D., and Neil Losin, Ph.D., as series producers and directors. Bill Gardner is executive in charge for PBS.