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Stephen Hawking with Thomas Hertog, in Hawking's office

Physics

Stephen Hawking's final theorem turns time and causality inside out

In his final years, Stephen Hawking tackled the question of why the universe appears fine-tuned for life. His collaborator Thomas Hertog explains the radical solution they came up with

Features

The lonely galaxy containing a supermassive black hole, two jets, and an X-ray hotspot, all surrounded by hot gas

Space

Galaxy may have eaten all its neighbours and now it's all alone

News

Black hole

Space

Dark energy may have been hiding in the cores of black holes all along

News

This illustration shows material from a star being devoured by a supermassive black hole

Space

Supermassive black hole snacks on the same star once every few years

News

How can we understand quantum reality if it is impossible to measure?

Physics

How can we understand quantum reality if it is impossible to measure?

Features

How sounds from space are revealing otherwise hidden cosmic phenomena

Physics

How sounds from space are revealing otherwise hidden cosmic phenomena

Features

Black hole

Space

We saw the supermassive black hole at the centre of our galaxy in 2022

News

An illustration of GRB 221009. A black hole drives powerful jets of particles traveling near the speed of light. The jets pierce through the star, emitting X-rays and gamma rays as they stream into space

Space

A weird gamma ray burst doesn't fit our understanding of the cosmos

News

Tidal disruption

Space

Star ripped up by black hole is one of the brightest things ever seen

News

Roger Penrose at the Mathematical Institute, Oxford.

Video

Roger Penrose: Communicating with future universes

Undeterred by the march of time, Roger Penrose turned 91 this year and is continuing to innovate, and even planning communications with future universes

Video

Space

We may finally know how blazars act as cosmic particle accelerators

News

Space

How to tell the difference between a regular black hole and a wormhole

News

Space

A black hole ate a star and belched out the remains two years later

News

Space

Black holes wobbling three times a second have proved Einstein right

News