Ancient supernovae might have contributed to Earth mass extinction

Death from the heavens.

Climate change pushing clouds higher into the atmosphere, shifting them towards Earth’s poles

These movements could in turn help speed up global warming.

Scientists create light-activated stingray robot composed of rat cells

A stingray created from living rat cells blurs the line between technology and nature.

NASA’s Dawn mission reveals Ceres craters that can trap water ice

Thirsty, anyone?