Rubin Observatory is rocking

February 24 was the date a new information pipeline began for astronomers around the world. Their computers received a deluge of cosmic notifications — 800,000 alerts about new asteroids, supernovae, and other noteworthy changes in the night sky. The discoveries were made by the Simonyi Survey Telescope at the NSF-DOE Vera […]

Blowing Stellar Bubbles

For the first time, a young, Sun-like star has been caught red-handed blowing bubbles in the galaxy, by astronomers using NASA’s Chandra X-ray Observatory. The bubble – called an “astrosphere” – completely surrounds the juvenile star in this image released on Feb. 23, 2026. Winds from the star’s surface are […]

Dwarf galaxy photobomb

Gerald Rhemann, taken from Farm Tivoli, Namibia Comet Wierzchos (2024 E1) has been putting on a nice show for Southern Hemisphere binocular observers and imagers, featuring multiple tails. Here, it slides by the dwarf galaxy PGC 3589 in Sculptor on Feb. 14. The imager used a 12-inch f/3.6 scope to […]

Two Observatories, One Cosmic Eye: Hubble and Euclid View Cat’s Eye Nebula

This new NASA/ESA Hubble Space Telescope image features one of the most visually intricate remnants of a dying star: the Cat’s Eye Nebula, also known as NGC 6543. This extraordinary planetary nebula lies in the constellation Draco and has captivated astronomers for decades with its elaborate and multilayered structure. Observations with ESA’s Gaia mission place the […]