Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

The changing climate has dramatically changed the migration patterns of several large mammals in Iran, a new study found. Researchers from Shahid Beheshti University and Iran's Department of ...

Now, new research from Aarhus University reveals that those large mammals that survived, also experienced a dramatic decline. By studying the DNA of 139 living species of large mammals, the scientists ...

Diana Setterberg MSU News Service Oct 30, 2025 Oct 30, 2025 A study of nine species of large mammals in the Greater Yellowstone Ecosystem has revealed that their behavioral responses to summer heat ...

Despite a common narrative that male mammals tend to dwarf female ones, fewer than half of mammalian species display that pattern, a new study suggests. By Emily Anthes Female elephant seals are not ...

Prehistoric humans hunt a woolly mammoth. More and more research shows that this species – and at least 46 other species of megaherbivores – were driven to extinction by humans. The debate has raged ...

Joseph Ogutu has received funding from the German Research Foundation and the European Union’s Horizon 2020 research and innovation program. He is affiliated with the non-profits: One Mara-Research ...

Ancient DNA recovered from the floor of the North Sea shows that the lost land of Doggerland was covered in temperate forests and supported large land mammals during the Ice Age, long before it ...

For the first time, scientists have used DNA preserved in ancient sediments to examine how a major natural disaster affected ...

Any change to migratory patterns could be cause for concern. Scientists note disturbing trends among large mammals: 'Animals are increasingly compelled ...' first appeared on The Cool Down.

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 ...