This artist’s concept depicts the early Martian environment (right) – believed to contain liquid water and a thicker atmosphere –…
Comet Siding Spring (C/2013 A1) is racing toward Mars for a close encounter on October 19, 2014.
WASP/OPIS nears launch, payload release at Fort Sumner, N.M., Wednesday, Oct. 8, 2014.
Balloon launch to test Wallops' WASP/OPIS technology.
Members of the WASP/OPIS team in the field at Fort Sumner, N.M., Wednesday, Oct. 8, just prior to launch: Tawanda…
On Oct. 9, 2014 at 04:25 UTC (12:25 a.m. EDT), the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument aboard NASA's Aqua…
Dryden used an F/A-18 Hornet fighter aircraft as its Systems Research Aircraft (SRA). A primary objective was to identify and…
This artist's concept shows NASA's Mars orbiters lining up behind the Red Planet for their "duck and cover" maneuver to…
On Oct. 7, NASA astronaut Reid Wiseman and European Space Agency astronaut Alexander Gerst completed the first of three spacewalks…
EXPRESS Rack 1 is pictured on-orbit May 14, 2001, with astronaut James Voss during Expedition 2.