"The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything so peripheral as some complicated molecular structure on a minor planet orbiting a very average star in the outer suburbs of a fairly typical galaxy."

— Steven Hawking

NASA Image of the Day

Syndicate content
The latest NASA "Image of the Day" image.
Updated: 10 hours 23 min ago

Hubble Captures Puzzling Galaxy

Fri, 11/21/2025 - 12:29pm
This NASA/ESA Hubble Space Telescope image features a galaxy, NGC 2775, that’s hard to categorize.
Categories: Astronomy, NASA

NASA’s Quesst Mission Marks X-59’s Historic First Flight

Thu, 11/20/2025 - 5:13pm
NASA’s X-59 quiet supersonic research aircraft lifts off for its first flight Tuesday, Oct. 28, 2025, from U.S. Air Force Plant 42 in Palmdale, California. The aircraft’s first flight marks the start of flight testing for NASA’s Quesst mission, the result of years of design, integration, and ground testing and begins a new chapter in NASA’s aeronautics research legacy.
Categories: Astronomy, NASA

NASA Telescopes View Spiral Galaxy

Tue, 11/18/2025 - 12:46pm
NGC 1068, a relatively nearby spiral galaxy, appears in this image released on July 23, 2025.
Categories: Astronomy, NASA

Suited Up for Science: NASA ER-2 Pilot Prepares for GEMx Flight

Mon, 11/17/2025 - 3:35pm
NASA ER-2 pilot Kirt Stallings waits inside the transport vehicle at Edwards, California, on Thursday, Aug. 21, 2025, moments before boarding NASA’s Armstrong Flight Research Center’s ER-2 aircraft for a high-altitude mission supporting the Geological Earth Mapping Experiment (GEMx). Through the vehicle window, the aircraft can be seen being readied for flight.
Categories: Astronomy, NASA

Mapping Dark Matter

Fri, 11/14/2025 - 12:48pm
This image shows two massive galaxy clusters. The vast number of galaxies and foreground stars in the image were captured by NASA’s James Webb Space Telescope in near-infrared light. Glowing, hot X-rays captured by NASA’s Chandra X-ray Observatory appear in pink. The blue represents the dark matter, which was precisely mapped by researchers with Webb’s detailed imaging.
Categories: Astronomy, NASA

A Robotic Helping Hand

Thu, 11/13/2025 - 4:09pm
The 57.7-foot-long Canadarm2 robotic arm extends from a data grapple fixture on the International Space Station’s Harmony module in this July 23, 2025, image.
Categories: Astronomy, NASA