Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan

NASA Image of the Day

Syndicate content
The latest NASA "Image of the Day" image.
URL: https://www.nasa.gov/image-of-the-day/
Updated: 4 hours 53 min ago

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