Tiger rattlesnakes do not tend to be very large, surprising those who discovered two massive specimens of the species.

“Your life can go two directions at that moment,” her surgeon, Dr. Yafell Serulle, told The Post. “You could either be ...

In late June, a Grand Canyon National Park concessions employee contracted hantavirus, a rare but often fatal rodent-borne ...

DR. ROACH WRITES: I recently had the occasion outside the hospital to recognize an ongoing stroke in a person who did not immediately recognize the importance of his symptoms.

Visual auras, like those that occur in migraines, may be signs of small injuries to the brain’s visual cortex, according to a clinical trial at UC San Francisco that tracked the appearance of these ...