A big pocket in a tuberculosis molecule is a mystery. "We've never seen anything like this before. It doesn't really make sense."

Proteins called Yamanaka factors returned old human cells to a more youthful vigorous state. The proteins worked in a similar way with aging mouse muscles.

A protein that regulates cell death is key to protecting the intestines against intestinal cancer, but it can also amp tumors up.

"We think we have found the building blocks of life—the Lego set that led, ultimately, to the evolution of cells, animals, and plants."

"We think we have found the building blocks of life—the Lego set that led, ultimately, to the evolution of cells, animals, and plants."

A new gene signal amplifier could help simplify diagnosis of conditions like Alzheimer's disease, diabetes, and some cancers.

Combining a drug that blocks one protein and radiation therapy could be an effective treatment for colorectal cancer, research with mice shows.

New research unveils a way to "read" proteins to see if they'll clump together and contribute to neurodegenerative diseases like ALS.

A decade-long search for the "sensor" responsible for our ability to feel mechanical pain is finally over. The discovery could lead to new drugs.

The discovery of why some people are extreme "morning larks" could lead to therapies for inherited sleep disorders and those due to shift work or jet lag.