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This time-lapse video, obtained June 8, 2018, shows NASAs Neutron star Interior Composition Explorer (NICER) as it studies pulsars and other X-ray sources from its perch aboard the International Space Station.

The HICO and RAIDS Experiment Payload (HREP-HICO) created particularly valuable images of a critical part of Earth: its coastal areas.

Students attending Microsoft’s YouthSpark event will have the opportunity to speak with NASA astronauts aboard the International Space Station next week as part of NASA’s Year of Education on Station.

The crew members aboard the International Space Station spent this week conducting science, helping out with student robotic competitions, and preparing for next week’s Russian spacewalk.

Russian cosmonauts living and working on the International Space Station will venture outside Wednesday, Aug. 15, for a spacewalk expected to last about six hours. Live coverage of the excursion will air on NASA Television and the agency’s website.

Piers Sellers was an accomplished NASA astronaut and scientist. He walked in space six times and revolutionized our understanding of Earth’s climate. After battling pancreatic cancer, Piers passed away in 2016. He is dearly missed by the entire ...

In an ongoing effort to foster commercial activity in space, NASA has selected 13 companies to study the future of commercial human spaceflight in low-Earth orbit, including long-range opportunities for the International Space Station.

In addition to conducting investigations in the fields of human research, technology development, physical science and biology, the crew also prepared for the departure of the SpaceX Dragon capsule. Dragon returned to Earth from the International ...

After delivering more than 5,900 pounds of science and supplies, a SpaceX Dragon cargo spacecraft departs the International Space Station on Friday, Aug. 3 at 12:38 p.m. EDT and splashed down in the Pacific Ocean after 6 p.m.

While cities, towns, and spaceships operated entirely from energy generated by microbial sources are still the stuff of science fiction, scientific knowledge needed for such a future can build from studies like the latest microbial investigation ...