The story of our quest for Sagittarius A*, the supermassive black hole at the heart of the Milky Way.

The case of the missing black hole

Capricious Cosmos

How do astronomers study the most unpredictable objects in the Universe?

The behemoth behind the brightness

Finding one of the biggest black holes in the Universe powering the brightest quasar ever detected

From the ground to the sky

ESO’s high-energy astrophysics expert on being involved in X-ray space missions

Future science

What will the Extremely Large Telescope reveal about the Universe?

Cosmic lighthouses

ESO Fellow Trystyn Berg on why he uses some of the most energetic known objects to probe the foggy parts of the Universe

Modelling reality

How thinking theoretically revealed the hidden secrets of Messier 87’s black hole

Behind the black hole

Stories from those working behind the scenes on the biggest discovery of the year

Photographing a black hole

A story of overcoming differences between people and telescopes

Space Cow Mystifies Astronomers

Could we be witnessing a dying star giving birth to an X-ray engine?