Most living mammals are active at night (or nocturnal), and many other mammal species are active during twilight conditions. It has long been thought that the transition to nocturnality occurred at ...

The backbone is the Swiss Army Knife of mammal locomotion. It can function in all sorts of ways that allows living mammals to have remarkable diversity in their movements. They can run, swim, climb ...

When an asteroid hit the Earth 66 million years ago, it set off a devastating mass extinction. The dinosaurs (except for a few birds) all died out, along with lots of the mammals. But some small ...

Most mammals around today are active at night or during twilight hours. For a long time, we thought that the transition to nocturnal behavior happened early in mammalian history around 200 million ...

Lateral-to-sagittal shift in mammal spine evolution challenged in new study Date: March 17, 2021 Source: Harvard University Summary: A new study challenges the lateral-to-sagittal hypothesis by ...