NASA astronaut Jack Fischer talks with veterans at the World War II Memorial who traveled to Washington, DC with the Buffalo Niagara Honor Flight. Fischer, a colonel in the U.S. Air Force, wrote, "Few things can compare to the honor of meeting WWII, Korea and Vietnam vets today--thank you for your sacrifices to keep us all free."
On November 9, 1967, the uncrewed Apollo 4 test flight made a great ellipse around Earth as a test of the translunar motors and of the high speed entry required of a crewed flight returning from the Moon.
NASA's Solar Dynamics Observatory came across an oddity that the spacecraft has rarely observed before: a dark filament encircling an active region (Oct. 29-31, 2017). Solar filaments are clouds of charged particles that float above the sun, tethered to it by magnetic forces.
Expedition 53 Flight Engineer Paolo Nespoli of the European Space Agency (ESA) photographed cloudy skies over Sudan during an International Space Station flyover on Oct. 22, 2017. Nespoli shared the image with his followers on social media on Nov. 6, writing, "#EarthFromSpace means also... Lots of clouds! How do they look from below?"
As Cassini hurtled toward its fatal encounter with Saturn, the spacecraft turned to catch this final look at Saturn's moon Pandora next to the thin line of the F ring.
NASA is performing a series of tests to evaluate how astronauts and ground crew involved in final preparations before Orion missions will quickly get out of the spacecraft, if an emergency were to occur on the pad prior to launch.
This false-color image demonstrates how use of special filters available on the Curiosity Mars rover's Mast Camera (Mastcam) can reveal the presence of certain minerals in target rocks. T
This sequence of images shows the Sun from its surface to its upper atmosphere all taken at about the same time on Oct. 27, 2017.
Canadian Space Agency astronaut Jeremy Hansen is suspended over a mock-up of the International Space Station during a microgravity simulation.