Limestone mesas dominate the foreground, the pale strata angling skyward above what, even by West Texas standards, is a rough dirt road. Above the mesas, higher still, is the Sierra Vieja, red ...
The giant ground sloth (Nothrotheriops shastensis) is an ancient relative of living tree sloths, armadillos and anteaters. It lived during the Pleistocene Epoch (2.58 million years ago – 12,000 years ...
Researchers have extracted remnants of DNA from an unlikely source: the desiccated dung of an extinct ground sloth that lived in Nevada at the height of the last ice age. The feat is the first ...
The giant ground sloth (Nothrotheriops shastensis) is an ancient relative of living tree sloths, armadillos and anteaters. It lived during the Pleistocene Epoch (2.58 million years ago – 12,000 years ...
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