North America used to be crawling with giant mammals, from dire wolves to big cats. Horses and camels evolved on the continent while others, like bison, crossed over from Asia. Most of these mammals ...

By looking at the DNA of 139 large living mammals -- species that have survived for the past 50,000 years without becoming extinct -- the researchers can show that the populations of these animals ...

MADISON COUNTY, Miss. − A Mississippi man found a tusk from the biggest mammal to ever walk across the state's land: A giant mammoth. The discovery in Madison County is the first giant mammoth tusk ...

For years, scientists have debated whether humans or the climate have caused the population of large mammals to decline dramatically over the past several thousand years. A new study from Aarhus ...