A new study with mice links altered gait after surgery for an ACL injury with knee osteoarthritis for the first time.

Robotic engineers from Harvard’s Wyss Institute and John A. Paulson School for Engineering and Applied Science have developed a laser-steering microrobot in a miniaturized 6 by 16 millimeter package that can be integrated with existing endoscopic tools.

Surgery, in addition to treatments like chemotherapy and radiation therapy, may lenghten survival for women with metastatic breast cancer.

A program that monitored hip and knee replacement patients after they left the hospital resulted in a fourfold decline in those who had to return.

Hundreds of people are having long, often painful surgery to extend their legs. Is it worth the risk?

"It's important that women who elect to have a C-section know that there is a chance they may have difficulty conceiving in the future."

Space agencies are seeking new ways to be prepared for a surgical emergency on a mission to Mars.

The new hydrogel is strong enough to stand up to stretching and squishing like real knee cartilage. A quarter-sized disc can handle a 100-pound kettlebell.

"In the brain, different areas activate in healthy ways all the time. When a seizure occurs, many brain areas link together very quickly. We wanted to understand that process."

A free guide uses a "treasure trove" of data to indicate which elective surgeries can resume. It considers hospital beds, PPE, rehab, and other factors.