Federal aviation officials, battered by complaints that bureaucratic hurdles are preventing industry from realizing the economic benefits of drones, announced Tuesday they are streamlining rules to expedite permits to fly ...
A meteor moving at 45,000 mph lit up the sky over western Pennsylvania.
Plumes seen reaching high above the surface of Mars are causing a stir among scientists studying the atmosphere on the Red Planet.
The European Space Agency has sent its Rosetta probe in for a close look at the comet it's been tracking for months, a swoop that scientists hope will provide them with detailed measurements and photos of its surface.
This ghostly puff of smoke is actually a mass of swirling gas and cloud at Venus' south pole, as seen by the Visible and Infrared Thermal Imaging Spectrometer (VIRTIS) aboard ESA's Venus Express spacecraft.
Roller Coaster migratory flights of geese give unique insights into bird physiology and biomechanics at high altitudes.
From the International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this photograph of the Gulf of Mexico and U.S. Gulf Coast at sunset and posted it to social media on Dec. 14, 2014.
The Virgin Galactic spaceship destroyed when it broke apart high over the Mojave Desert was designed to take tourists on a fleeting thrill ride through the lower reaches of space.
Look! Fast! Sprite lightning occurs only at high altitudes above thunderstorms, only last for a thousandth of a second and emit light in the red portion of the visible spectrum, so they are really difficult to see. But one ...