New evidence suggests tiny solar flares heat the sun's atmosphere to thousands of times the temperature of its surface.
Pilot study finds shamanic drink promising, but scientists urge caution
Social media made us love—and mourn—a space robot
Enthusiasm to send people to Mars may dampen knowing the health risks of exposure to space radiation — something we still don’t know how to fix
As ice caps melt, microplastics are leaking into the water, for animals to eat
After Hurricane Harvey, factories nearby released unprecedented amounts of air emissions