Active Galaxies
Jan. 24, 2025 NASA’s NICER Continues Science Operations Post Repair NASA crew aboard the International Space Station installed patches to…
The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars,…
International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected features never…
Smile for the camera! An interaction between an elliptical galaxy and a spiral galaxy, collectively known as Arp 107, seems…
Like two Sumo wrestlers squaring off, the closest confirmed pair of supermassive black holes have been observed in tight proximity.…
This NASA/ESA Hubble Space Telescope image features the spiral galaxy IC 4709 located around 240 million light-years away in the…
Today, enormous stretches of space are crystal clear, but that wasn’t always the case. During its infancy, the universe was…
After starting science operations in February, Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) studied the monster black hole at the…
Astronomers have discovered enormous circular radio features of unknown origin around some galaxies. Now, new observations of one dubbed the…
