Recent failures in a high-profile project designed to give people up to two minutes' warning has critics concerned that the public will start to distrust and ultimately ignore alerts.
Two primates have learned to operate a prosthetic arm using only visualization exercises, scientists report in the latest advance in brain-machine interfaces.
A plethora of factors have conspired to create the worst food crisis in a generation—and make it unlikely prices will shrink any time soon. Part of Global Food Crisis: A Special News Series.
Glaciers that wrapped around the globe millions of years ago melted rapidly when a huge release of methane gas caused Earth to warm, a new study suggests.
New images will help scientists assess the lander's health and surrounding landscape before starting the search for clues that the red planet was once habitable.
The bulk of the $1 billion Kibo lab, or Japanese Experiment Module, will head for the International Space Station aboard the space shuttle Discovery, which is planned to take off Saturday.
Swarms of distant tremors occur when vibrations from a big quake pass over faults—a common phenomenon that may have occurred during the recent China quake, experts say.
