Bright Comet's Tail Dazzles in 'Bleeding' Images from NASA Spacecraft
Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now ...
Hubble Settled Milky Way Debate 100 Years Ago
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society ...