These satellite views of ancient earthworks are stirring debate from National Geographic

Astronaut Scott Kelly’s #EARTHART shows the world in a whole new light from Nerdist

The 8 absolute top cities in the US to live in from Patch of Earth

How to apply to be an astronaut from NASA

NASA scientists think they’ve solved the mystery of Mars’ missing atmosphere—and all its water from Good

How to stop other people’s emotions from bringing you down from Lifehacker