May’s night skies turn the skywatcher’s gaze away from the dazzling brilliance of the Milky Way and toward grand walls, ...
ESA’s XMM-Newton X-ray observatory has revealed three massive filaments of hot gas flowing towards a cluster of galaxies, uncovering a portion of the cosmic skeleton that pervades the entire Universe.
A groundbreaking discovery, recently detailed in The Astrophysical Journal Letters, has unveiled a “mini halo” surrounding one of the most distant galaxy clusters observed to date. This mini halo, ...