NASA’s Nancy Grace Roman Space Telescope has completed important prelaunch milestones as it prepares to launch nine months ...

Led by ESA (European Space Agency) with contributions from NASA, the Euclid space telescope has discovered 31 of the oldest ...

Webb uncovers unusual galaxy shaped by cosmic collision: Webb's unprecedented sensitivity across near- and mid-infrared wavelengths cuts through the thick lanes of dust that obscure Centaurus A’s ...

Red, white, and blue stars glitter like a sparkler being waved on a dark night in this new Hubble image of globular cluster ...

Northrop Grumman’s Stargazer and Pegasus XL rocket, seen here at NASA’s Wallops Flight Facility in Virginia on Saturday, June 12, 2026, flew to Kwajalein Atoll, part of the Republic of the Marshall ...

NASA’s James Webb Space Telescope has captured the infrared light of numerous features that previously were impossible to see ...

NASA, Partners Update Launch Date for Mission to Boost Swift The launch of Katalyst’s robotic servicing spacecraft LINK, designed to boost the orbit of NASA’s Neil Gehrels Swift Observatory, is now ...

Blue and white stars shine brightly against glowing crimson gas in this image of stellar nursery LH 95 from NASA’s Hubble Space Telescope.

Editor’s note: In honor of America’s 250th birthday, Earth Observatory is revisiting stories about the landscapes that helped shape U.S. history. The images and text on this page were originally ...

A.4 Rapid Response and Novel Research in Earth Science (RRNES) solicits proposals that advance the goals and objectives of ...

NASA's Neil Gehrels Swift Observatory is a satellite that studies gamma-ray bursts, the most powerful explosions in the universe, and other cosmic objects and events.

C.2 Solar System Science solicits proposals for research, data analysis, data preservation, and tools that support ...