To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling awed by the astonishing sight and a profound shift in perspective that followed. NASA astronaut Matthew Dominick points his camera [...]
Photo of the Day Seen to the left of Saturn's banded planetary disk, small icy moons Dione and Rhea are caught passing in front of the gas giant's extensive ring system in this sharp telescopic snapshot. The remarkable image was recorded on November 20, when Saturn's rings were nearly edge-on when viewed from planet [...]
Credit: NASA NASA has selected Plug Power, Inc., of Slingerlands, New York, and Air Products and Chemicals, Inc., of Allentown, Pennsylvania, to supply up to approximately 36,952,000 pounds of liquid hydrogen for use at facilities across the agency. The NASA Agency-wide Supply of Liquid Hydrogen awards are firm-fixed-price requirements contracts that include multiple firm-fixed-price delivery [...]
Photo of the Day Now outbound after its perihelion or closest approach to the Sun on October 29, Comet 3I/ATLAS is only the third known interstellar object to pass through our fair Solar System. Its greenish coma and faint tails are seen against a background of stars in the constellation Virgo in this view [...]
The Canadarm2 robotic arm releases Northrop Grumman’s Cygnus XL cargo craft after it was installed on the Earth-facing port of the Unity module on Sept. 18, 2025.NASA Expedition 73 wrapped up the work week continuing to study fluid physics and stem cells, preparing for next week’s new crew arrival, and unpacking a U.S. cargo spacecraft. [...]
Explore This Section Science Science Activation 10 Years of Students Helping… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 3 min read 10 Years of Students Helping NASA Grow Space Food with Growing Beyond Earth Students from 71 Classrooms engaged with NASA scientists to learn about [...]
8 Min Read 25 Years of Scientific Discovery Aboard International Space Station November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration and human ingenuity. Since the first crew arrived on Nov. 2, 2000, NASA and its partners have conducted thousands of research investigations and technology demonstrations [...]
8 Min Read 25 Years of Scientific Discovery Aboard the International Space Station November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration and human ingenuity. Since the first crew arrived on Nov. 2, 2000, NASA and its partners have conducted thousands of research investigations and technology [...]
Explore Hubble Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights [...]
Expedition 73 Flight Engineers Jonny Kim and Zena Cardman, both NASA astronauts, practice Canadarm2 robotic maneuvers at the robotics workstation inside the International Space Station’s cupola. The duo was preparing for the robotic capture of the Northrop Grumman Cygnus XL cargo spacecraft that launched on Sept. 14, 2025, and arrived on Sept. 18 delivering about [...]
