Astronomers discover how an active black hole works in the centre of a galaxy called OJ 287
Has a nucleus generating a jet that staggers like a spinning top

An international research team has discovered an active, super-mass-rich black hole in the centre of a galaxy and, while that's nothing special, they have found that this one has a nucleus generating a jet...
More on Communications
Slack goes down as millions return to work
Login and messaging problems on the collaboration site began at 3.14 pm
PM urged to address digital divide among pupils
Nearly nine per cent of UK children lack home access to a desktop, laptop, or tablet, and almost 1 million rely on a mobile connection
Scientists demonstrate high-fidelity quantum teleportation over long distances
The breakthrough could pave the way to develop technology to redefine global communication in future
EU and ASEAN focus on connectivity in move towards free trade agreement
The EU and ASEAN represent more than 1 billion people and 25 per cent of global economic power
Why the world needs better and more robust ways of measuring time
Critical infrastructure and systems such as GPS rely on time-keeping mechanisms that are far too easily subverted or prone to error