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 ...

Three start-ups are aiming to create gene-edited babies. Columnist Michael Le Page has no doubt that editing our offspring ...

White House Press Secretary Karoline Leavitt is pregnant and expecting her second baby, a daughter, with her husband Nick.