Opinion: I was a surgeon. The hardest part of leaving medicine was believing that I could

Pink granite boulders sitting mysteriously atop Antarctica’s Hudson Mountains have led scientists to a stunning discovery: a hidden granite mass buried beneath Pine Island Glacier, stretching nearly 100 km wide and 7 km thick. By dating the rocks to the Jurassic period and matching them with gravity signals detected from aircraft, researchers solved a decades-old puzzle about their origin.

Some feathered dinosaurs may have briefly taken to the skies—only to give it up later. By studying rare fossils with preserved feathers, researchers uncovered a surprising clue hidden in molting patterns, revealing that Anchiornis likely couldn’t fly at all. Instead of the neat, symmetrical feather replacement seen in flying birds, these dinosaurs showed a messy, irregular molt—something only flightless animals exhibit.

STAT investigates how a Texas couple cashed in on a new law that's supposed to protect patients from surprise medical bills.

Smoking instead of injecting drugs can reduce harm, but a new study shows opioid smokers are four times as likely to suffer severe burns.