As a new animal habitat sprung up at Phoenix Zoo, two California condors watched closely. Then they learned who was moving in.

Ouch: each year, more than 500,000 Americans seek care for kidney stones. Here's the story of one man's second—and how he's ...

Eric D. Donnenfeld, MD, said that some ophthalmologists downplay the effects of more serious floaters, which he called ...

I have confidently helped patients navigate the IOL selection process for both cataract surgery and refractive lens ...