As far as we know, black holes can only be formed by the death of massive stars, but a persistent theory says that black holes of all masses could have formed directly in the early Universe. These primordial black holes would help explain several mysteries in astronomy: outlier mergers of black holes, dark matter, and young supermassive black holes. How are they different from stellar mass black holes, and what upcoming instruments could detect them?

An innovative camera pioneering a new technology in space caught a unique view of our home world.

The ESA Science Programme has narrowed down the possibilities for its next M-class mission to three concepts.

An old refractor telescope sees a second life under the night skies, thanks to the efforts of a dedicated amateur observer.