In this 30 second exposure, a meteor streaks across the sky during the annual Perseid meteor shower Friday, Aug. 12, 2016 in Spruce Knob, West Virginia.
The Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard NASA's Terra satellite passed directly over Rio de Janeiro on Aug. 2, 2016, just prior to the opening of the Summer Olympic Games. On the left is an image from MISR's nadir camera; on the right, a map of aerosol optical depth.
Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy.
This false-color view from NASA's Cassini spacecraft shows clouds in Saturn's northern hemisphere. The view was made using images taken by Cassini's wide-angle camera on July 20, 2016, using a combination of spectral filters sensitive to infrared light at 750, 727 and 619 nanometers.
An astronaut aboard the International Space Station adjusted the camera for night imaging and captured the green veils and curtains of an aurora that spanned thousands of kilometers over Quebec, Canada.
Neil A. Armstrong is photographed in the cockpit of the Ames Bell X-14 aircraft at NASA's Ames Research Center. Armstrong, the first man to walk on the moon, was born in Wapakoneta, Ohio, on August 5, 1930.
NASA's Curiosity Mars rover began close-up investigation of a target called "Marimba," on lower Mount Sharp, during the week preceding the fourth anniversary of the mission's dramatic sky-crane landing.