"As the birds age and gain more experience, older individuals stop exploring new places and instead move more quickly and directly, resulting in greater energy expenditure during migratory flight," ...

Somewhere in the northern Rockies, a GPS-collared gray wolf trots along a logging road at 2 a.m., covering ground efficiently on the packed surface. By dawn, when the first pickup trucks appear, the ...

For millennia, humans have observed and have been inspired by the ways that animals move. Some researchers theorize that paintings in famous caves like Chauvet and Lascaux, made more than 30,000 years ...