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Less than three months into its mission, NASA’s Ice, Cloud and land Elevation Satellite-2, or ICESat-2, is already exceeding scientists’ expectations.


 
International Space Station Commander Alexander Gerst viewed SpaceX’s Dragon cargo craft chasing the orbital laboratory on Dec. 8, 2018 and took a series of photos.


 
"Putting this journey into words will not be easy, but I will try. I am finally where I was born to be." So said astronaut Anne McClain


 
Experiments in forest observation, protein crystal growth and in-space fuel transfer demonstration are heading to the International Space Station following the launch Wednesday of SpaceX’s 16th mission.


 
The Airbus team poses with the European Service Module during preparations for shipment to NASA's Kennedy Space Center.


 
This image of the horizon is as it was seen from the cockpit of NASA Armstrong Flight Research Center’s F/A-18 research aircraft.


 
Soyuz MS-11 spacecraft launched from the Baikonur Cosmodrome in Kazakhstan to bring a new crew to begin their six and a half month mission on the International Space Station.


 
This Hubble Space Telescope mosaic is of a portion of the immense Coma cluster of over 1,000 galaxies, located 300 million light-years from Earth.


 
In Mars' Wirtz Crater, these dunes are likely active.


 
NASA Deputy Associate Administrator Melanie Saunders and astronaut Mike Massimino ring the closing bell of Nasdaq after the NASA's InSight lander successfully touched down on the surface of Mars.


 
NASA social media participant Bryan Branly takes a photograph of the Mars Cube One (MarCO) model before the Mars InSight pre-landing briefing.


 
A new study using observations by NASA's Spitzer Space Telescope reports for the first time that silica — one of the most common minerals found on Earth — is formed when massive stars explode.


 
On Nov. 20, 1998, the Zarya Functional Cargo Block launched from the Baikonur Cosmodrome to serve as a temporary control module for the nascent International Space Station. This October 2018 photo shows the station today, fully complete.


 
"Captured Cygnus today with @Astro_Alex…Proud to have The SS John Young on-board!" said astronaut Serena Auñón-Chancellor today, as the International Space Station crew brought aboard the latest Northrop Grumman Cygnus cargo craft, loaded with almost three tons of food, fuel and supplies.


 
International Space Station crew brought aboard the latest Russian Progress cargo craft.


 
​The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen above the Thomas Jefferson Memorial in Washington, DC, on Nov. 17, 2018.


 
In the wake of a fire, a burn scar appears which takes a long time to heal. This scar is from the Woolsey fire which has taken its toll around Thousand Oaks, California.


 
Located 65 million light-years away ia a blue supergiant star that once existed inside a cluster of young stars in the spiral galaxy NGC 3938, as shown in this artist's concept.


 
The Northrop Grumman Antares rocket, with Cygnus spacecraft onboard, is seen on Pad-0A, Tuesday, Nov. 13, 2018 at NASA's Wallops Flight Facility in Virginia.