VSS Unity, Virgin Galactic's second SpaceShipTwo, glides during a Dec. 22 flight test.
One of two Standard Missile-6 Dual 1 missiles launches from the destroyer USS John Paul Jones during a missile defense test off the coast of Hawaii.
Ségolène Royal and other officials walk on a solar-paneled road on its inauguration in Tourouvre, on Dec. 22, 2016.
The next full moon will be on Jan. 12. The Algonquins of New England called it the Wolf Moon, according to the Farmer's Almanac.
Some of the brightest stars in the winter sky were hidden by the Moon, and the radiance of the full moon dimmed the luster of the Geminids meteor shower.
All eight microsatellites of the CYGNSS fleet. The fleet uses reflected GPS signals to monitor developing tropical hurricanes and cyclones.
Two enormous avalanches struck the Aru Glacier in Tibet back-to-back, scientists think they’ve identified the cause of the first ice slide, which claimed the lives of nine nomadic herders.
Macaque monkeys possess the vocal anatomy to produce "clearly intelligible" human speech but lack the brain circuitry to do so.
The recent suicide of Brandy Vela, a teen in Texas City, was a potent reminder of the sometimes tragic consequences of bullying.
The Wendelstein 7-X stellarator or nuclear fusion reactor has started working under high-quality magnetic fields, matching the complex design of the device.
Construction is underway for Blue Origin's New Glenn rocket manufacturing facility near Kennedy Space Center in Florida.