
This Perseid fireball meteor was observed in the skies over Chickamauga, Ga., on Aug. 11, 2013, at 2:14:49 a.m. EDT.…

This Perseid fireball meteor was observed in the skies over Chickamauga, Ga., on Aug. 11, 2013, at 2:14:49 a.m. EDT.…

NASA astronauts Karen Nyberg and Chris Cassidy are seen during rendezvous operations with the approaching “Kounotori” H2 Transfer Vehicle-4.

NASA astronauts Karen Nyberg and Chris Cassidy, both Expedition 36 flight engineers, are pictured at the robotic workstation in the…

NASA’s high-altitude ER-2 prepares for take off from the Dryden Aircraft Operations Facility in Palmdale, CA.

The ER-2 aircraft arrives at Ellington Field in Houston to prepare for NASA’s Studies of Emissions, Atmospheric Composition, Clouds, and…

The ER-2 aircraft arrives at Ellington Field in Houston to prepare for NASA’s Studies of Emissions, Atmospheric Composition, Clouds, and…

NASA’s high-altitude ER-2 taxis to the runway of Air Force Plant 42 in Palmdale, CA. Following is a NASA chase…

The ER-2 aircraft arrived at Ellington Field in Houston in preparation for NASA’s Studies of Emissions, Atmospheric Composition, Clouds and…

Armstrong ER-2 pilot Dean Neeley (forefront), assisted by Tim Williams (also an ER-2 pilot) checked the cockpit after flying the…