A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Importantly, it inhabits a compelling part of its solar system, a region called the habitable or "Goldilocks" zone, where liquid water could exist on a world's surface. (Earth, for example ...

How did a tropical storm create so much damage in such ... leaving areas of the state looking like a war zone when it finally ...

Scientists led by the Smithsonian Tropical Research Institute have ... Until now, dead zones were thought to dominate mostly temperate zones on Earth, but the new study reveals that there are ...