Fossilised remains of newly identified dinosaur species and mammal suggest they were both predator and quarry to each other.

Scientists discovered two small mammals inside the juvenile dinosaur’s stomach cavity. One was a eutherian, a distant relative of modern placental mammals. The second was a gobiconodontid ...

This extraordinary diversity raises a fundamental question: what enables long-lived mammals to maintain health into old age? In a new study published in Nature Communications, researchers from Bar ...

A study has shown that a dangerous game of "brinkmanship" between rival genes in mammals could help explain why many fertilized eggs don't result in a new life. Within the genome, genes can be in ...

President Donald Trump’s administration is proposing a change to the Endangered Species Act that environmental groups say will kneecap habitat protection and lead to extinction of vulnerable ...

The research provides significant new insights into the diverse vocal ... Mammals Were Adapting from Life in the Trees to Living on the Ground Before Dinosaur-Killing Asteroid Apr. 1, 2025 ...

Pangolins have two claims to fame: first, that they are the world’s only scaly mammal, and second, they are one of the most trafficked animals globally. Beyond that, most people know very little ...

The fossil species, which has been named Vulcanidris cratensis, had scythe-like jaws that it likely used to pin or impale prey. “I was just shocked to see that weird projection in front of this ...