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Science

  • An illustration of an asteroid falling towards Earth.

    Asteroids
    Nuclear blast could save Earth from large asteroid, scientists say

    US physicists show how immense pulse of radiation could vaporise the side of asteroid and nudge it off course
  • A woman holds a cigarette

    Cancer
    Risk of lung cancer from radiotherapy doubles for breast cancer patients who smoke

  • Shadow Robot’s Dexterous Hand, top, and its DEX-EE hand.

    Robots
    ‘It’s the robot we were all expecting – like C3PO’: why aren’t humanoids in our homes yet?

  • Vials of blood and syringe

    Medical research
    New blood test could help spot children at risk of serious illnesses, study finds

  • Neko Health.

    Health
    I tried the £299 full-body scan that checks health risks in minutes

  • Mudlarking on the River Thames at Bankside, London, in January 2018.

    London
    How mudlarking on the Thames unlocks London’s secret riches

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  • Human brain scan in neurology clinic

    Brain scan study identifies potential targets to treat youths with severe depression

  • A boulder on a manicured lawn outside of a large house

    Dorset ‘Stonehenge’ discovered under Thomas Hardy’s home

  • A pregnant woman holding her bump

    Surrogates face higher risk of pregnancy complications, study finds

  • A lagoon surrounded by limestone islands

    Earth may have breached seven of nine planetary boundaries, health check shows

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  • An Indian doctor stands by a patient in a bed holding up an X-ray while two female medics in white coats stand beside him

    ‘You feel omnipresent’: bringing city care to India’s country hospitals

  • Yellowing, transparent skin on a hand and forearm

    Transparent skin, bird flu, and why girls’ brains aged during Covid: the week in science – podcast

  • Teenage girl talking to older woman.

    Covid lockdowns prematurely aged girls’ brains more than boys’, study suggests

  • A doctor in a blue uniform and mask speaking with patients outside a treatment centreepicentre of the epidemic that led the World Health Organisation (WHO) to trigger its highest level of alert at the international level on Wednesday. The province of South Kivu records around 350 new cases per week, according to Dr Justin Bengehya, epidemiologist at the provincial health division of South Kivu. Goma, capital of the province of North Kivu, almost surrounded by an armed rebellion and where hundreds of thousands of displaced people are crammed into makeshift camps, fears a large-scale spread due to promiscuity. (Photo by GUERCHOM NDEBO / AFP) (Photo by GUERCHOM NDEBO/AFP via Getty Images)

    African nations hit by mpox still waiting for vaccines – despite promises by the west

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  • Sally Davies

    The world is facing an antibiotic emergency: a data-led plan of action is needed now

    Sally Davies
  • Elle Hunt

    British beer drinkers, face the truth: a pint is too big, a half is too small – all hail the two-thirds measure

    Elle Hunt
  • Arwa Mahdawi

    Trump says he’s the ‘leader’ on IVF, but Republicans are blocking national access

    Arwa Mahdawi
  • An African woman carrying a hoe over her shoulder in a dry savannah landscape walks past four solar panels on poles

    The solar pump revolution could bring water to millions of Africans but it must be sustainable and fair

    Alan MacDonald
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  • An elderly woman kisses a young girl on the cheek as they sit next to a birthday cake with the number 100 on top. Photo: Getty Images

    Are the world’s oldest people really that old? – podcast

  • A person shaking a robot's hand

    Live episode: will AI make a good companion? – podcast

    In a special episode recorded live at the British Science Festival, Madeleine Finlay and guests explore the question: will AI make a good companion? Madeleine is joined by the Guardian’s science editor, Ian Sample; Tony Prescott, a professor of computational robotics at Sheffield University; and Dr Mhairi Aitken, an ethics fellow at the Alan Turing Institute and visiting senior lecturer at Queen Mary University of London
  • Two graphic illustrations of brain scans

    The sweeping reorganisation of the brain in pregnancy, and why it matters – podcast

    Ian Sample talks to Dr Laura Pritschet, a postdoctoral fellow of psychiatry at the University of Pennsylvania, about her research using precision scans to capture the profound changes that sweep across the brain during pregnancy. She explains what this new work reveals about how the brain is reorganised in this period, whether it could it help us better understand conditions like pre-eclampsia and postnatal depression, and why women’s brains have often been overlooked by neuroscience
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Key issues

  • An illustration of an asteroid falling towards Earth.

    Physics
    Nuclear blast could save Earth from large asteroid, scientists say

  • An elderly woman kisses a young girl on the cheek as they sit next to a birthday cake with the number 100 on top. Photo: Getty Images

    Biology
    Are the world’s oldest people really that old? – podcast

    • Space
      Nuclear blast could save Earth from large asteroid, scientists say

    • Genetics
      All 23andMe board members but CEO resign over no adequate buyout offers

    • Medical research
      Brain scan study identifies potential targets to treat youths with severe depression

    • Psychology
      From The Office to Breaking Bad: what is the neuroscience of chronic TV rewatching?

      Anjum Naweed for the Conversation
  • poker hands. Image shot 2008. Exact date unknown.<br>APJ9PY poker hands. Image shot 2008. Exact date unknown.

    Alex Bellos's Monday puzzle
    Did you solve it? The poker puzzle that has everyone fooled

  • poker hands. Image shot 2008. Exact date unknown.<br>APJ9PY poker hands. Image shot 2008. Exact date unknown.

    Alex Bellos's Monday puzzle
    Can you solve it? The poker puzzle that has everyone fooled

  • teenager boy brown hair European appearance and has difficulty t<br>EEX4CY teenager boy brown hair European appearance and has difficulty t

    Alex Bellos's Monday puzzle
    Did you solve it? An object that defies common sense

  • Man holding a confused emoticon face in front of his face jjemoji

    Alex Bellos's Monday puzzle
    Can you solve it? An object that defies common sense

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Multimedia

  • An aircraft flies past the supermoon as it rises in Brisbane, Australia.

    Glowing September supermoon lights up the sky – in pictures

  • The partial lunar eclipse was visible across parts of Europe, Africa, North and South America

    1:03

    Supermoon with partial lunar eclipse charms stargazers across the world – video

    The partial lunar eclipse was visible across parts of Europe, Africa, North and South America
  • The winners of the Nikon Small World in Motion video competition have been announced, with zoologist Dr Bruno Vellutini's video showing the processes of fly embryogenesis taking first prize

    1:14

    Stunning microscopic worlds captured in video competition – video

    The winners of the Nikon Small World in Motion video competition have been announced, with zoologist Dr Bruno Vellutini's video showing the processes of fly embryogenesis taking first prize
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