The climate vice provost at the University of Pennsylvania stepped down from his role Monday, saying his science advocacy work at times conflicted with his nonpartisan administrative role. Professor ...

Add Yahoo as a preferred source to see more of our stories on Google. Older women can significantly reduce their risk of early death by walking just 4,000 steps a day, new research suggests. Crucially ...

Climate scientist Michael Mann is stepping down from his administrative role at the University of Pennsylvania, and wrote in a blog post Monday that his work “at times feels in conflict with the ...

Researchers found that walkable city design—not personal motivation—was the key factor behind people taking 1,100 more steps per day ...