The dark spot across the north pole of the Sun – as captured in this image on July 31, 2020, from NASA's Solar Dynamics Observatory, or SDO – is an area of relatively cooler material in the solar atmosphere, known as a coronal hole. Coronal holes are regions on the Read full post

By Emily Clay The Perseid meteor shower is here! With Comet NEOWISE making its way out of the solar system, it is time for a celestial show caused by a different comet. Perseid meteors, caused by debris left behind by the Comet Swift-Tuttle, began streaking across the skies in late July Read full post

Every detail that goes into space exploration matters. While habitat design or making sure a rocket is powerful enough to launch supplies are obviously important, what may be less apparent are the smaller things, including the solvents used in manufacturing materials for spaceflight. On Aug. 6, a 22-second hot fire test Read full post

Payloads Handhold Experiment Platform (HXP2): The crew retrieved and packaged ten Exposed Experiment Handrail Attachment Mechanism (ExHAM2) samples for return to the ground.  The ExHAM samples were recently brought inside ISS through the JEM airlock and were exposed the external ISS environment to test various technologies.  Some the experiment samples include Read full post

Advanced space science, cargo transfers and orbital maintenance kept the three Expedition 63 crew members occupied Thursday aboard the International Space Station. Commander Chris Cassidy spent a good portion of his day working inside JAXA’s (Japan Aerospace Exploration Agency) Kibo laboratory module. The experienced shuttle and station astronaut retrieved the Handhold Read full post

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The Space Launch System (SLS) rocket core stage for the Artemis I lunar mission has successfully completed its first four Green Run tests and is building on those tests for the next phase of checkout as engineers require more capability of the hardware before hot-firing the stage and its four powerful engines. On Aug. 5, Read full post

Payloads Droplet Formation Study (DFS):  The crew performed the setup and initiation of recording for additional runs of the DFS investigation.  Data will be archived by an alternate method which will actually result in a quicker delivery time to the experiment team.  Droplet Formation Studies in Microgravity (Droplet Formation Study, or Read full post

The Expedition 63 crew, with one U.S. astronaut and two Russian cosmonauts aboard the International Space Station, juggled an array of space research and orbital plumbing duties on Wednesday. Commander Chris Cassidy ran several test operations today of the Water Droplet Formation experiment that may improve fluid management on spaceships and Read full post

Our planet has lost a true champion with the passing of Mike Freilich. NASA sends our condolences to his loved ones, and the entire NASA Family shares their loss. As the head of NASA Earth Science, Mike was known for his diligence and an unwavering commitment to accuracy and making sure Read full post