After eight years of training, Dr. Maureen McKiernan made her debut as the lead surgeon on an infant heart transplant — an ...

For more than a century, dentistry has focused on repairing or replacing damaged teeth, not growing new ones. That assumption ...

Jamie-Lynn Sigler says she didn't try to her third baby due to her diagnosis of multiple sclerosis (MS). The actress shares ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...