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Science

  • Close-up on a person's mouth biting into a slice of pizza

    Ultra-processed foods
    Home cooking and minimally processed foods best for weight loss, study finds

    Dieters in trial lost twice as much weight when avoiding ultra-processed ready meals with as much nutrition
  • Sunflower sea stars: they are large starfish with multiple legs and appear to glow in the water; some are brightly coloured including yellow, orange and lilac tones

    Marine life
    Scientists identify bacterium behind devastating wasting disease in starfish

  • Science Weekly
    Summer picks: what is ‘mirror life’ and why are scientists sounding the alarm? – podcast

    Podcast17:33
  • Graphic illustration of the night sky

    Starwatch
    Starwatch: Prepare for a pre-dawn Venus at its peak

  • Jim Ashworth-Beaumont photographed in March 2025 with his new prosthetic arm

    Medicine
    He worked with artificial limbs for decades. Then a lorry ripped off his right arm. What happened when the expert became the patient?

  • colours ambigram

    Alex Bellos's Monday puzzle
    Did you solve it? Ambigrams – you won’t believe these flipping words!

  • Jaime Slaughter-Acey.

    World news
    A professor had a $2.4m grant to study Black maternal health. Then Trump was elected

News

  1. close up of a pair of gloved hands holding a syringe

    Covid cases rising in US as officials plan to restrict booster vaccines

  2. Scientific illustration of the two types of plant, Solanum etuberosum and Solanum tuberosum, where one has large tubers growing instead of typical roots

    ‘This wasn’t obvious’: the potato evolved from a tomato ancestor, researchers find

  3. A diver with a torch examines part of the shipwreck.

    English warship sunk in 1703 storm gives up its secrets three centuries on

  4. Prof Michele Dougherty

    Planetary scientist Michele Dougherty made first female UK astronomer royal

Opinion

  1. A illustration of scenes of science, nature, and technology. At the center, a silhouette of a human head contains a DNA helix, surrounded by a robot reaching toward a butterfly, a rocket launch, an astronaut floating in space, a scientist looking into a microscope, and hands conducting experiments with plants and pills. Smaller vignettes depict trees, molecules, and scientific tools.

    We face daunting global challenges. Here are eight reasons to be hopeful

    John D Boswell
  2. Collage featuring layered images of science and politics. A Black woman in a lab coat looks into a microscope; beside her are older white male scientists in white coats. The U.S. Capitol building and a full congressional chamber appear in black-and-white. Bright overlays include silhouettes of Democratic donkeys and Republican elephants, directional signs labeled "REP" and "DEM," and abstract shapes in neon red, green, and yellow.

    Science could enable a fascist future. Especially if we don’t learn from the past

    Ambika Kamath and Melina Packer
  3. An illustration of a colorful, blocky robot structure representing a large language mode (LLM), towering over a small, white house with a lawn, tree and pool. The small house draws energy from the massive LLM through a power cable. The barren ground around the house is eaten away by a digital pattern. Large data centers line up behind the LLM.

    Why does technology create new problems for each one it solves?

    Mark Buchanan
  4. Screen grab taken from handout video issued by Newcastle University and the Newcastle Hospitals NHS Foundation Trust of a diagram showing the embryo replacement procedure.

    The Guardian view on mitochondrial donation: IVF innovation leads to a cautious genetic triumph

Science Weekly podcast

  1. Keon West
    Science Weekly

    Summer picks: The science of racism, and how to fight it – podcast

    Podcast
  2. Older men lifting dumbbells
    Science Weekly

    Why do we age in dramatic bursts, and what can we do about it? – podcast

    Podcast
  3. A micrograph showing IVF embryo replacement procedure
    Science Weekly

    The babies born with DNA from three parents – podcast

    Podcast

Key issues

  • two black holes

    Physics
    Scientists detect biggest ever merger of two massive black holes

  • Scientific illustration of the two types of plant, Solanum etuberosum and Solanum tuberosum, where one has large tubers growing instead of typical roots

    Biology
    ‘This wasn’t obvious’: the potato evolved from a tomato ancestor, researchers find

  • Graphic illustration of the night sky

    Space
    Starwatch: Prepare for a pre-dawn Venus at its peak

  • a painting of a mother holding her baby

    Genetics
    My daughter’s health was a mystery. The answer was on the other side of the world

Alex Bellos's Monday puzzle

  • colours ambigram

    Alex Bellos's Monday puzzle
    Can you solve it? Ambigrams – you won’t believe these flipping words!

  • JENNINGS<br>Ken Jennings, of Salt Lake City, Utah, shown here in this undated publicity photo will make an unprecedented 29th appearance on the syndicated quiz show "Jeopardy!" Monday night, July 12. Jennings has bagged $920,960 in winnings since his first appearance aired June, 2, 2004. (AP Photo/Sony-Jeopardy)

    Alex Bellos's Monday puzzle
    Did you solve it? Are you a match for the world’s greatest TV quizzer?

  • KEN JENNINGS<br>CELEBRITY JEOPARDY! - "Quarterfinal #1: Mark Duplass, Emily Hampshire and Utkarsh Ambudkar" - On the season premiere of "Celebrity Jeopardy!," stars Mark Duplass ("The Morning Show"), Emily Hampshire ("Schitt's Creek") and Utkarsh Ambudkar ("Ghosts") compete for the chance to win the grand prize of $1 million for the charity of their choice. WEDNESDAY, SEPT. 27 (8:00-9:00 p.m. EDT), on ABC. (Eric McCandless/ABC via Getty Images)KEN JENNINGS

    Alex Bellos's Monday puzzle
    Ken you solve it? Are you a match for the world’s greatest TV quizzer?

  • Yoga on Rathasapthami day in Bangalore<br>epa08183739 Silhouettes of Yoga enthusiasts performing 108 sun salutations or suryanamaskar on Rathasapthami day, to worship Surya the sun god, in front of the Vidhana Soudha, the seat of the State Legislature of Karnataka in Bangalore, India, 01 February 2020. Hundreds of yogis did 108 sun salutations in order to raise awareness among the people for Health, Happiness and harmony. EPA/JAGADEESH NV

    Alex Bellos's Monday puzzle
    Did you solve it? The world’s most fascinating number – revealed!

Multimedia

  1. The Magic Rat and His Slick Machine Shows the scientific value of other specialised camera equipment or photographic process (e.g. a heat-sensing camera).

    Beaker Street Science Photography prize – in pictures

    Gallery11

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