These are the most detailed images of the moon ever taken on Earth

The first ShadowCam image from orbit reveals an area of the Moon that lies in total darkness — the permanently shadowed wall and floor of Shackleton Crater, in never-before-seen detail

As sun's most active regions turn toward Earth, potential for violent solar activity builds

NASA finds Earth-size planet that could be habitable: ‘An exciting prospect’ - Brooke Steinberg