California-based startup Vital Lyfe says its first product, a portable battery-powered filtration system, can provide safe ...

In subduction zones, the sites of the world's largest earthquakes, tectonic activity may generate a "pump" that transports ...

Rising stream temperatures may be weakening the foundation of river food webs by altering how carbon moves through these ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...