A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...
Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...
The effect is essentially like looking through a giant magnifying glass ... in multiple locations next to each other in ...
Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...
Astronomers studying ... are now confident the Event Horizon Telescope (EHT) — a planet-sized array of eight ground-based radio telescopes forged through international collaboration — is ...