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The Guardian - Back to homeThe Guardian

Black holes

April 2023

  • Cattle on a farm in East Sussex

    Was I wrong to be so bullish about AI?

    Letters: AI and cows | AI-free letters | Sizing up black holes | Stately homes | E-scooter exposure

March 2023

  • An artist’s impression of a black hole in the Milky Way galaxy

    Ultramassive black hole discovered by UK astronomers

    Durham University scientists say black hole about 30 billion times the mass of the Sun is first to be found with gravitational lensing
  • Artists impression of a beam of intense radiation produced by a cosmic explosion thought to be the brightest of all time.

    Cosmic explosion last year may be ‘brightest ever seen’

    Astronomers say gamma-ray burst may have been result of star collapsing to form black hole
  • Prof Ronald Mallett with a ring laser at the University of Connecticut, in 2015.

    Back to the father: the scientist who lost his dad – and resolved to travel to 1955 to save him

    After losing his beloved father when he was 10, Ronald Mallett read HG Wells and Einstein. They inspired his eminent career as a theoretical physicist – and his lifelong ambition to build a time machine

February 2023

  • A handout illustration of perfectly spherical explosion, called a kilonova<br>A perfectly spherical explosion, called a kilonova, that followed the merger of two very defense objects called neutron stars - remnants of massive stars after supernova explosions Ð that was observed 140-150 million light-years away from Earth is seen in this handout illustration obtained by Reuters on February 15, 2023. Albert Sneppen/Handout via REUTERS THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. NO RESALES. NO ARCHIVES. MANDATORY CREDIT.

    ‘Perfect explosion’: merger of neutron stars creates spherical cosmic blast

  • An artist impression, released November 2022 by the European Southern Observatory (ESO), of how it might look when a star approaches too close to a black hole and is squeezed by the intense gravitational pull.

    Dark energy could be created inside black holes, scientists claim

November 2022

  • A simulation of wormhole behaviour.

    Scientists simulate ‘baby’ wormhole without rupturing space and time

  • Neutron stars are small and dense, with a smooth crust that is 10bn times stronger than steel.

    ‘Overweight’ neutron star defies a black hole theory, say astronomers

August 2022

  • ‘Cosmic Cliffs’ in the Carina Nebula.

    First Edition newsletter
    Wednesday briefing: The telescope revealing the secrets of the universe

    In today’s newsletter: After the James Webb space telescope sends extraordinary images of Jupiter, astrophysicist Dr Becky Smethurst explains why it’s so important
  • 220823-YS-Black hole audio.00 00 00 00.Still001

    Terrifying ghosts or new Björk? What Nasa’s black hole recording sounds like

    Eerie audio emanating from the Perseus cluster reminds social media users of sci-fi films and hungry stomachs

  • Nasa releases audio of what a black hole 'sounds' like — video

    Since 2003, the black hole at the centre of the Perseus galaxy cluster has been associated with sound.

July 2022

  • Small black sphere next to bright blue sphere

    First dormant black hole found outside the Milky Way

    VFTS243 has a mass nine times that of the Sun’s and is in a binary system with a companion star

March 2022

  • An image captured by the Event Horizon telescope in 2019 of light around a black hole at the centre of the galaxy M87.

    ‘Quantum hair’ could resolve Hawking’s black hole paradox, say scientists

  • An artist's impression from May 2020 of what were – but are no longer – thought to be the orbits of the objects in the HR 6819 system

    Black hole that was closest yet found does not exist, say scientists in U-turn

December 2021

  • NASA’s newest X-ray observatory – the Imaging X-ray Polarimetry Explorer, or IXPE – extended its boom successfully Dec. 15, giving IXPE the ability to see high-energy X-rays

    Spacewatch
    Nasa’s X-ray boom arm for black hole studies extends in orbit

    Mission is step closer to exploring most energetic and exotic celestial objects in universe

July 2021

  • An artist’s impression of a supermassive black hole.

    Astronomers detect light behind black hole for first time

    Telescope picks up unexpected ‘luminous echoes’ – smaller, later and of different colour to bright flares

June 2021

  • Rainbow Swirl: artistic image inspired by a black hole neutron star merger event

    Gravitational waves from star-eating black holes detected on Earth

    Spacetime-altering shock waves came from massive neutron stars crashing into black holes millions of years ago

May 2021

  • Stephen Hawking

    Stephen Hawking’s office and archive gifted to UK to settle tax bill

  • A visualisation from Black Holes: The Edge of All We Know

    ‘Stranger than anything dreamed up by sci-fi’: will we ever understand black holes?

March 2021

  • Bright ring-like structure

    Mysterious swirling light gives new insights into black holes

    Experts discover crucial evidence that may reveal how magnetic fields behave around black holes
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