The North American craton actually dips near the Rockies rather than forming a sharp vertical step as previously believed.

CREST-2 may end routine CEA for asymptomatic carotid stenosis, but its message is nuanced, raising new questions about ...

A 2020 astronaut photo shows the oasis town of Jubbah lurking within a paleolake in the wind shadow of Saudi Arabia's "two ...

Drawing on his love of fly-fishing, he developed a balloon catheter that removes blood clots from patients’ limbs in a ...