Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

This is the gargantuan black hole that lives at the centre of our galaxy, pictured for the very first time. Known as Sagittarius A*, the object is a staggering four million times the mass of our Sun.

Imagine the formation of a black hole and you’ll probably envision a massive star running out of fuel and collapsing in on itself. Yet the chaotic conditions of the early universe may have also ...

The galaxy Centaurus A, which has a supermassive black hole at its core. Image: X-ray (Chandra): NASA/CXC/SAO/D. Bogensberger et al; X-ray (IXPE): NASA/MSFC; Optical: ESO; Image Processing ...