“Under the Midnight Sun” was uploaded to Flickr

In September 2017, a new iceberg calved from Pine Island Glacier—one of the main outlets where the West Antarctic Ice Sheet flows into the ocean. via NASA ift.tt/2EcblGs
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Under the Midnight Sun was taken on December 20, 2017 at 10:27AM

“Naples at Night” was uploaded to Flickr

An astronaut aboard the International Space Station took this photograph of the city lights of Naples and the Campania region of southern Italy. via NASA ift.tt/2Dsv57t
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Naples at Night was taken on December 28, 2017 at 03:31AM

“Kwanzaa Tholus on Ceres” was uploaded to Flickr

These images show a subtle feature on dwarf planet Ceres called Kwanzaa Tholus. via NASA ift.tt/2Ccnzye
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Kwanzaa Tholus on Ceres was taken on December 27, 2017 at 03:31AM

“Hubble's Holiday Nebula “Ornament”” was uploaded to Flickr

The Hubble Space Telescope captured what looks like a colorful holiday ornament in space. It's actually an image of NGC 6326, a planetary nebula with glowing wisps of outpouring gas. via NASA ift.tt/2CV8qkg
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Hubble's Holiday Nebula “Ornament” was taken on June 28, 2010 at 06:00AM

“Launch Day!” was uploaded to Flickr

On Dec. 21, 1968, the Apollo 8 crew leaves the Kennedy Space Center's then-named Manned Spacecraft Operations Building during the mission's prelaunch countdown on the way to their history-making lunar orbiting flight. via NASA ift.tt/2zbwlJX
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Launch Day! was taken on July 30, 2008 at 10:04AM

“Hello From Above” was uploaded to Flickr

Greetings from @Astro_Sabot, otherwise known as Mark Vande Hei, from aboard the International Space Station. via NASA ift.tt/2z6xNx8
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Hello From Above was taken on December 03, 2017 at 12:39AM

“The Bluest of Ice” was uploaded to Flickr

Acquired on November 29 by Operation IceBridge during a flight to Victoria Land, this image shows an iceberg floating in Antarctica's McMurdo Sound. via NASA ift.tt/2kjgNz4
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The Bluest of Ice was taken on December 19, 2017 at 04:33AM

“Seeing an X-Plane's Sonic Boom” was uploaded to Flickr

This schlieren image shows an Air Force Test Pilot School T-38 in a transonic state, meaning the aircraft is transitioning from a subsonic speed to supersonic. via NASA ift.tt/2kHqUNB
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Seeing an X-Plane's Sonic Boom was taken on December 14, 2017 at 09:58AM

“New Research Launches to Space Station Aboard SpaceX Resupply Mission” was uploaded to Flickr

The two-stage Falcon 9 launch vehicle lifts off from Space Launch Complex 40 at Cape Canaveral Air Force Station carrying the Dragon resupply spacecraft to the International Space Station. Dragon will bring supplies, equipment and new science experiments for technology research to the orbiting laboratory. via NASA ift.tt/2BfDjA6
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New Research Launches to Space Station Aboard SpaceX Resupply Mission was taken on December 15, 2017 at 05:36AM

“Soyuz Carrying Expedition 53 Crew Lands in Kazakhstan” was uploaded to Flickr

The Soyuz MS-05 spacecraft is seen as it lands with Expedition 53 Commander Randy Bresnik of NASA and Flight Engineers Paolo Nespoli of ESA (European Space Agency) and Sergey Ryazanskiy of the Russian space agency Roscosmos near the town of Zhezkazgan, Kazakhstan on Thursday, Dec. 14, 2017. via NASA ift.tt/2ytt3kN
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Soyuz Carrying Expedition 53 Crew Lands in Kazakhstan was taken on December 14, 2017 at 09:37AM

“The Fault in Our Mars” was uploaded to Flickr

This image from NASA's Mars Reconnaissance Orbiter (MRO) of northern Meridiani Planum shows faults that have disrupted layered deposits. via NASA ift.tt/2iXZy5j
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The Fault in Our Mars was taken on December 13, 2017 at 03:30AM

“Chandra Reveals the Elementary Nature of Cassiopeia A” was uploaded to Flickr

Due to its unique evolutionary status, Cassiopeia A (Cas A) is one of the most intensely studied of these supernova remnants. via NASA ift.tt/2C6ofVz
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Chandra Reveals the Elementary Nature of Cassiopeia A was taken on December 12, 2017 at 03:47AM

“Science From the Moon’s Shadow” was uploaded to Flickr

The Aug. 21, 2017, total solar eclipse was rare in its long, uninterrupted path over land, which provided scientists with a rare chance to investigate the Sun and its influence on Earth in ways that aren’t usually possible. On Dec. 11, researchers discussed initial findings based on observations gathered during the eclipse. via NASA ift.tt/2AszyKt
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Science From the Moon’s Shadow was taken on December 11, 2017 at 06:31AM

“Retrospective: Moon” was uploaded to Flickr

This false-color image is composed of 15 images taken through three color filters by NASA's Galileo spacecraft as it passed through the Earth-Moon system on Dec. 8, 1992. via NASA ift.tt/2A4N6I1
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Retrospective: Moon was taken on December 07, 1992 at 07:00PM

“NASA's Science Aircraft Flies Over Thomas Fire in California” was uploaded to Flickr

During an engineering flight test of the Cloud-Aerosol Multi-Angle Lidar (CAMAL) instrument, a view from NASA Armstrong Flight Research Center’s ER-2 aircraft shows smoke plumes, from roughly 65,000 feet, produced by the Thomas Fire in Ventura County, California, around 1 p.m. PST on Dec. 5th, 2017. via NASA ift.tt/2j3XCf5
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NASA's Science Aircraft Flies Over Thomas Fire in California was taken on December 07, 2017 at 03:31AM

“Cygnus Cargo Spacecraft at Sunrise” was uploaded to Flickr

NASA astronaut Randy Bresnik photographed Orbital ATK's Cygnus cargo spacecraft at sunrise, prior to its departure from the International Space Station at 8:11 a.m., Dec. 6, 2017. Expedition 53 Flight Engineers Mark Vande Hei and Joe Acaba of NASA gave the station's Canadarm2 robotic arm the command to release Cygnus. via NASA ift.tt/2k27en9
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Cygnus Cargo Spacecraft at Sunrise was taken on December 05, 2017 at 01:13PM

“Cloud Streets in the Sea of Okhotsk” was uploaded to Flickr

Frigid air blowing from Eastern Russia created dramatic cloud formations over the Sea of Okhotsk in late November, 2017. The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Terra satellite acquired a true-color image of the stunning scene on November 25. via NASA ift.tt/2At1dK0
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Cloud Streets in the Sea of Okhotsk was taken on December 05, 2017 at 03:31AM

“Space Station Transits the Moon” was uploaded to Flickr

The International Space Station is seen in silhouette as it transits the Moon at roughly five miles per second, Dec. 2, 2017, in Manchester Township, York County, Pennsylvania. Onboard are NASA astronauts Joe Acaba, Mark Vande Hei, and Randy Bresnik; Russian cosmonauts Alexander Misurkin and Sergey Ryanzansky; and ESA astronaut Paolo Nespoli. via NASA ift.tt/2kkVEaq
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Space Station Transits the Moon was taken on December 02, 2017 at 06:05PM

“Hubble Sees Galaxy Cluster Warping Space and Time” was uploaded to Flickr

The Hubble Space Telescope peers into the distant universe to reveal a galaxy cluster called Abell 2537. via NASA ift.tt/2BtpnkK
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Hubble Sees Galaxy Cluster Warping Space and Time was taken on June 09, 2017 at 01:22PM