Prehistoric puma poo reveals oldest parasite DNA ever recorded

A team of Argentinian scientists from the National Council of Scientific and Technical Research (CONICET) made the discovery after studying a coprolite taken from a rock-shelter in the country's mountainous Catamarca Province, ...

Ice age era bones recovered from underwater caves in Mexico

When the Panamanian land bridge formed around 3 million years ago, Southern Mexico was in the middle of a great biotic interchange of large animals from North and South America that crossed the continents in both directions. ...

'Hypercarnivores' kept massive ancient herbivores in check

When the largest modern-day plant-eaters—elephants—are confined to too small an area, they devastate the vegetation. So 15,000 years ago, when the herbivores like the Columbian mammoth, mastodons and giant ground sloths ...