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An image of an area of space filled with red and blue gas, and scattered stars

Our galaxy’s black hole may have made a huge X-ray flare 205 years ago

29 April 2023

The supermassive black hole at the centre of the Milky Way may have blasted out a powerful burst of X-rays two centuries ago, possibly due to eating a star


F6ND3J An artist's depiction of a black hole in interstellar space pulling in gas and dust that start to heat. Gamma ray bursts exit at

We may finally know how blazars act as cosmic particle accelerators

23 November 2022

Supermassive black holes that beam powerful jets of matter towards Earth, known as blazars, accelerate particles to extraordinarily high energies – and astronomers have finally figured out how


Cow in space

Baffling 'space cow' explosion was probably a failed supernova

13 December 2021

A mysterious space explosion dubbed “the Cow” was far brighter and faster than a typical supernova, and new observations suggest it may have been a failed supernova that left behind a black hole


Mysterious X-ray flares on Jupiter come from magnetic field vibrations

Mysterious X-ray flares on Jupiter come from magnetic field vibrations

9 July 2021

Jupiter blasts out strange X-ray flares that have gone unexplained for decades, and the mystery has now been solved by vibrations in the planet’s magnetic field


The Milky Way's black hole burped out two colossal X-ray bubbles

The Milky Way's black hole burped out two colossal X-ray bubbles

9 December 2020

Astronomers have found a pair of enormous bubbles of X-rays, above and below the Milky Way, which were probably created by our galaxy’s supermassive black hole


Illustration of colliding neutron stars

Light from LIGO’s neutron star smashup just got even brighter

8 December 2017

The gravitational wave event from August still has surprises in store. Its light is three times brighter now, which may change how we think of gamma ray bursts


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