The female sex hormone estrogen, along with progesterone, appears to underlie a fundamental difference in how males and females process pain, a mouse study finds.

The sounding rockets released vapor tracers and pressure sensors at different altitudes across central and northern Alaska during a sudden auroral substorm.

Nitisinone, a drug that is already used to treat two genetic diseases, could be repurposed to control the spread of malaria, according to new research.