The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 ... measure their distance by comparing it to how bright they appear from Earth. Image Credit: ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Rubin Observatory begins 10-year sky survey to uncover dark matter, track asteroids, and build a detailed view of our ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

The satellite spotted a mysterious 150-second X-ray flare, named EP240414a, from a dying star 4 billion light-years away.

Funded by the U.S. National Science Foundation and the U.S. Department of Energy’s Office of Science, the Vera C. Rubin ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

A spectacular astronomical event has unfolded in the southern constellation of Lupus as a newly discovered nova, V462 Lupi, ...

The first batch of images arrives from Vera C. Rubin Observatory as officials announce the date of its first flight.

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...

The astronomers who operate powerful Vera C. Rubin observatory released debut images June 23, 2025, showcasing just exactly ...

In its debut, the telescope turned its eye toward two familiar showstoppers in deep space: the Trifid and Lagoon nebulas in ...