New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

In a mesmerizing image captured by NASA’s Landsat 8 satellite, the summit of Mount Vesuvius, one of the world’s most dangerous volcanoes, was perfectly aligned with a circular hole in a dense layer of ...