Astronomers have identified a bright hydrogen emission from a galaxy in the very early universe. The surprise finding is ...

ESA’s Euclid mission mapped 26 million galaxies, revealing galaxy shapes, cosmic structures, and gravitational lenses ...

What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed ...

The most massive black holes can cover galaxies with immense radiation. However, this need not be harmful for possible ...

An international team of researchers used multi-wavelength observations of active galactic nuclei to study how black holes launch relativistic jets. The sixteen sources were observed with the Event ...

New research reveals that high-energy radiation from active galactic nuclei could foster life on distant planets by ...

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas periodically falls into the orbit ...

A surprising new study from Dartmouth and the University of Exeter researchers shows that when the supermassive black holes at the center of most large galaxies—including the Milky Way—consume ...