Located approximately 27,000 light-years (one light year equals approximately nine trillion kilometres) from Earth — relatively close when it comes to galactic black holes — Sag A* has an estimated ...

Q2 2025 Management View CEO Eva Berneke highlighted the signing of the agreement for the SpaceRISE consortium to design, build, and operate the Iris2 multi-orbit constellation, marking a significant ...

In this mind-bending series, Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies.