NASA Concludes Summer of Testing with Fifth Flight Controller Hot Fire

NASA engineers closed a summer of successful hot fire testing Aug. 30 for flight controllers on RS-25 engines that will help power the new Space Launch System (SLS) rocket being built to carry astronauts to deep-space destinations, including Mars.

NASA's IceBridge Surveys Glaciers in Northeast Greenland

NASA's Operation IceBridge is flying its summer Arctic land ice campaign in Greenland, continuing its measurements of the Greenland Ice Sheet and its outlet glaciers. This photograph from the mission was taken on Aug. 29, 2017, from 28,000 feet, looking north while surveying Nioghalvfjerdsbrae (79 N) Glacier in northeast Greenland.

Aug. 29, 1965 - Gemini V Crew Returns to Earth

Gemini V command pilot Gordon Cooper (right) and Charles "Pete" Conrad, pilot, walk across the deck of the aircraft carrier USS Lake Champlain following their spacecraft's recovery from the ocean on Aug. 29, 1965. The eight-day Gemini V endurance mission doubled America's spaceflight record set two months earlier.

Supersonic Flight Campaign Continues at Kennedy Space Center

A NASA F-18 jet takes off from the agency's Shuttle Landing Facility at NASA's Kennedy Space Center in Florida on Aug. 23, 2017. The F-18 jets fly at supersonic speeds while agency researchers measure the effects of low-altitude turbulence caused by sonic booms, part of NASA's Sonic Booms in Atmospheric Turbulence, or SonicBAT II Program.

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Hurricane Harvey, Seen From the Cupola of the International Space Station

On August 25, 2017, NASA astronaut Jack Fischer photographed Hurricane Harvey from the cupola module aboard the International Space Station as it intensified on its way toward the Texas coast. The Expedition 52 crew on the station has been tracking this storm for the past two days and capturing Earth observation photographs and videos.

A World of Snowy Dunes on Mars

It was spring in the Northern hemisphere when this image was taken on May 21, 2017, by the HiRISE camera on NASA's Mars Reconnaissance Orbiter. Over the winter, snow and ice have inexorably covered the dunes. Unlike on Earth, this snow and ice is carbon dioxide, better known to us as dry ice.