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This image show stars orbiting very close to Sgr A* (centre), the supermassive black hole at the heart of the Milky Way. They were obtained with the GRAVITY instrument on ESO???s Very Large Telescope Interferometer (VLTI) at the end of March 2021.

Space

We’ve seen our galaxy’s huge black hole more clearly than ever before

Astronomers have observed Sagittarius A* – the supermassive black hole at the centre of our galaxy – closer than ever before, and Albert Einstein’s general theory of relativity still holds up

News

Artistic impression of the Double Pulsar system

Space

A pair of pulsars in a tight embrace have proved Einstein right again

News

Person using an ATM

Technology

Einstein's theory of relativity could help stop bank account hackers

News

Black hole

Space

X-rays can echo and bend around the back of supermassive black holes

News

Quantum field theory

Definition

Quantum field theory

A warp drive that doesn't break the laws of physics is possible

Physics

A warp drive that doesn't break the laws of physics is possible

News

Travelling through a wormhole without dying may actually be possible

Space

Travelling through a wormhole without dying may actually be possible

News

Science with Sam: What is a black hole? And could you survive one?

Space

Science with Sam: What is a black hole? And could you survive one?

Video

space

Space

The fastest star in our galaxy moves at 8 per cent the speed of light

News

Einstein was right about how extremely massive objects fall in space

Space

Einstein was right about how extremely massive objects fall in space

A crucial pillar of Einstein’s theory of general relativity has been tested with the motion of stars at the highest precision yet, and the theory has held up once again

News

Space

Why it's better to fall into a big black hole, and other bizarre facts

Features

Physics

We have seen hints of a new fundamental force of nature

Features

Space

The orbit of a star near our galaxy’s black hole proves Einstein right

News

Space

Two stars with an odd wobble are stretching space and time around them

News