As the Aral Sea has been drained by irrigation and dried up, the mass loss on the surface has caused Earth’s upper mantle to rise up, lifting the emptied sea bed an average of 7 millimetres per year ...

A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' habitable zones should be ...

"The United States must prioritize space solar power or risk ceding energy leadership to others," the company explained in a ...