Jane Goodall kisses Tess, a female chimpanzee, at the Sweetwaters Chimpanzee Sanctuary near Nanyuki, north of Nairobi, on ...

The persistent presence of humans and their infrastructure in U.S. national parks has yielded dramatic changes in the behaviors of large animals who live there, a new study has found. Even during the ...

SEATTLE — Sometimes we can all use a little help. "Pick up things," Luca Keogh said. "Pull my laundry basket." When the 13-year-old needs a hand, his friend, Atticus, a two-year-old Labrador Retriever ...

An analysis of reviews of translational biomedical research reveals that just 5% of therapies tested in animals reach regulatory approval for human use. The umbrella review summarizes other systematic ...