In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

Most of us think we know what Earth looks like. Then you stumble on a place that doesn’t fit the script—salt that turns the ground into a perfect mirror, rock formations that look sculpted by ...

Ecuador's Mount Chimborazo is scientifically closer to space than Mount Everest, not due to sea-level height, but Earth's ...

A Chilean astronomer has become dedicated to battling light pollution in the Atacama Desert and preserve what is considered the best place on Earth to study space. Eduardo Unda-Sanzana at the Paranal ...