“Curiosity Self-Portrait at Martian Sand Dune” was uploaded to Flickr

This self-portrait of NASA's Curiosity Mars rover shows the vehicle at "Namib Dune," where the rover's activities included scuffing into the dune with a wheel and scooping samples of sand for laboratory analysis. via NASA ift.tt/1PK1POl
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Curiosity Self-Portrait at Martian Sand Dune was taken on January 25, 2016 at 12:20PM

“NASA Observes Day of Remembrance” was uploaded to Flickr

Chuck Resnik, brother of Space Shuttle Challenger astronaut Judith Resnik, left, and NASA Administrator Charles Bolden, right, visit the Space Shuttle Challenger Memorial during a wreath laying ceremony that was part of NASA's Day of Remembrance on the 30th anniversary of the Challenger accident, January 28, 2016, at Arlington National Cemetery. via NASA ift.tt/1OSseWB
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NASA Observes Day of Remembrance was taken on January 28, 2016 at 05:25PM

“Engineers Mark Completion of Orion’s Pressure Vessel” was uploaded to Flickr

NASA’s Orion spacecraft is another step closer to launching on its first mission to deep space atop the agency’s Space Launch System rocket. On Jan. 13, technicians at Michoud Assembly Facility finished welding together the primary structure of the Orion spacecraft destined for deep space, marking another important step on the journey to Mars. via NASA ift.tt/1OPBnPJ
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Engineers Mark Completion of Orion’s Pressure Vessel was taken on January 13, 2016 at 05:13PM

“Space Station Flyover of the Mediterranean” was uploaded to Flickr

Expedition 46 flight engineer Tim Peake of the European Space Agency (ESA) shared this stunning nighttime photograph with his social media followers on Jan. 25, 2016, writing, "Beautiful night pass over Italy, Alps and Mediterranean." via NASA ift.tt/201CFPP
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Space Station Flyover of the Mediterranean was taken on January 23, 2016 at 05:01PM

“A Half-Enceladus” was uploaded to Flickr

This half-lit view of Enceladus bears a passing resemblance to similar views of Earth's own natural satellite, but the similarities end there. via NASA ift.tt/1UmfrwW
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A Half-Enceladus was taken on January 25, 2016 at 02:13AM

“2016 Blizzard by Moonlight” was uploaded to Flickr

An image from Suomi NPP shows the Eastern United States covered with snow and lit by a blizzard. via NASA ift.tt/1PqCo4e
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2016 Blizzard by Moonlight was taken on January 23, 2016 at 10:05AM

“Blizzard Bears Down on U.S. East Coast” was uploaded to Flickr

NASA-NOAA's Suomi NPP satellite snapped this image of the blizzard approaching the U.S. East coast around 2:35 a.m. EST on Jan. 22, 2016 using the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument's Day-Night band. via NASA ift.tt/1NpA4CQ
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Blizzard Bears Down on U.S. East Coast was taken on January 22, 2016 at 03:15AM