The maker of Claude wants AI labs, including itself, to prepare for a coordinated slowdown if models begin building their own successors

NASA ordered its astronauts to take refuge inside a docked SpaceX Crew Dragon spacecraft and to prepare for potential evacuation of the International Space Station. But the crew returned to normal operations shortly afterward

The FDA’s ongoing review of mifepristone could skip over established science, health experts warn

Planets might exist in the least likely place you’d imagine—around the outskirts of supermassive black holes

AI analysis of mammograms could provide a “bonus finding” for heart disease

A physician involved in the long push to change the name PCOS to PMOS takes us behind the scenes of this subtle yet consequential change

Coal is the most significant fossil fuel contributor to climate change