Researchers found that efforts to curtail tourism-related emissions have been outpaced by the industry's growth.
Just as sailors can look to constellations for their bearings, interplanetary travelers could use pulsars to navigate the universe.
Physicists are looking inside atoms on Earth to learn more about mysterious neutron stars thousands of light-years away.
A genetic variant linked to cold sensation and migraine headaches may have helped people survive in northern climates.
New study shows how sand sedges lure beneficial bacteria to their roots.
As law enforcement increasingly uses body-worn cameras, researchers are studying the roles of camera design and perspective.
On an April weekend, engineers, designers and astronauts-in-training met to test suits for commercial, suborbital spaceflight.