Skip to main contentSkip to navigation

Science

  • A large red moon

    In pictures
    Blood moon and lunar eclipse cast an ethereal light

    Visible from Australia, across Asia, to western Europe, a blood moon has been captivating stargazers. This marvel is caused when the Earth shades the moon from direct solar light, causing the moon to appear red
    Gallery13
  • Jean Innes

    Artificial intelligence (AI)
    Head of UK’s beleaguered Alan Turing Institute resigns

  • Badger on grass

    Wildlife
    Labour could end badger cull but only with Covid-style testing and vaccines – report

  1. Blood moon visible between Chicago skyscrapers

    Rare total lunar eclipse ‘blood moon’ to be visible from UK

  2. People walk over a bridge in smog on the outskirts of Delhi, India

    Air pollution can drive devastating forms of dementia, research suggests

  3. Ilyas Khan, 63, is the founding chief executive of Quantinuum, the UK-US firm which announced on Thursday it had raised $600m in its latest fundraising

    Quantum computing firm reaches $10bn valuation as investor interest builds

  4. Bottles of Sprite, Coca-Cola Zero Sugar and Diet Coke on a shelf

    Sweeteners can harm cognitive health equivalent to 1.6 years of ageing, study finds

  1. The Vasa Museum in Stockholm, Sweden

    What does a sunk Swedish galleon teach us about the perils of ignoring science?

    Elizabeth Finkel
  2. Robert F Kennedy testifies during a budget hearing in Washington DC on 14 May 2025.

    The Guardian view on RFK Jr’s vaccine cuts: an assault on science from a politician unfit for his office

  3. Devi Sridhar

    RFK Jr has slashed vaccine research. You need to know how perilous that is for the world

    Devi Sridhar
  4. Gwen Pearson

    A huge stick insect has been discovered in Australia. Here’s why that’s important

    Gwen Pearson
  1. Placards from people protesting to show their support for the ousted leaders
    Science Weekly

    RFK Jr and the chaos at the CDC - podcast

    Podcast
  2. Photograph: Dima Berlin/Getty Images
    Science Weekly

    ‘AI psychosis’: could chatbots fuel delusional thinking? – podcast

    Podcast
  3. In this photo provided by the Hakai Institute, a sunflower sea star is reduced to goo by sea star wasting disease at Calvert Island, British Columbia, Canada, in 2015.
    Science Weekly

    A decade long mystery - why were billions of starfish turned to goo?

    Podcast

Key issues

  • Ilyas Khan, 63, is the founding chief executive of Quantinuum, the UK-US firm which announced on Thursday it had raised $600m in its latest fundraising

    Physics
    Quantum computing firm reaches $10bn valuation as investor interest builds

  • Clopidogrel pills. An antiplatelet medication used to prevent blood clots.

    Biology
    Drug to prevent heart attacks is not ‘better than aspirin’ for everyone

  • Map of the sky showing the moon and Saturn under the Pisces constellation

    Space
    Starwatch: An almost full moon glides close to Saturn

  • Clopidogrel pills. An antiplatelet medication used to prevent blood clots.

    Genetics
    Drug to prevent heart attacks is not ‘better than aspirin’ for everyone

  • The hands of David Niven, a professor of political science at the University of Cincinnati, holding a map demonstrating a gerrymandered district in Cincinnati in 2019

    Alex Bellos's Monday puzzle
    Did you solve it? Are you a genius at gerrymandering?

  • Texas Legislature Redistricting<br>A map of U.S Congressional Districts proposed plan is seen at a Texas legislators' public hearing on congressional redistricting in Austin, Texas, Friday, Aug. 1, 2025. (AP Photo/Eric Gay)

    Alex Bellos's Monday puzzle
    Can you solve it? Are you a genius at gerrymandering?

  • Salmon Sushi in a plate<br>GettyImages-1437321096

    Alex Bellos's Monday puzzle
    Did you solve it? Are you a matcha for these tasty Japanese puzzles?

  • Maki sushi food<br>Four maki rolls in a row with salmon, avocado, tuna and cucumber isolated on white background. Fresh hosomaki pieces with rice and nori. Closeup of delicious japanese food with sushi roll.

    Alex Bellos's Monday puzzle
    Can you solve it? Are you a matcha for these tasty Japanese puzzles?

Multimedia

Most viewed