But if researchers can achieve similar results in people, one vaccine, administered via nose, could someday replace multiple yearly shots for respiratory illnesses. It could also provide quick ...

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 ...

Study finds that large embryo cells divide step by step using a mechanical ratchet system, challenging the textbook idea of a ...

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 ...

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 ...

When it comes to brain proteins, small changes can make a dramatic difference. Researchers studying NMDA (N-methyl-D-aspartate) receptors, which are essential for learning, memory and moment-by-moment ...