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Redaktionellt bearbetade vetenskapsnyheter — 3223 artiklar

Meteor explodes over Massachusetts, setting off loud booms
<p>Meteor was travelling at 75,000 miles per hour (more than 120,000 km/h) at an altitude of 40 miles when it broke apart</p><p>A meteor crashing toward Earth exploded over the north-eastern United States on Saturday, <a href="https://www.theguardian.com/science/nasa">Nasa</a> said, setting off booms that echoed over the region with a blast equivalent to 300 tons of TNT.</p><p>The fireball broke up over northeastern Massachusetts and southeastern New Hampshire just after 2pm (1806 GMT), the US space agency’s deputy news chief Jennifer Dooren told AFP in a statement.</p> <a href="https://www.theguardian.com/science/2026/may/31/meteor-explodes-over-massachusetts-setting-off-loud-booms">Continue reading...</a>
Cancer jab can eradicate entire tumours in patients, trial shows
<p>Jab brought ‘unprecedentedly strong responses’ in patients whose disease had become resistant to chemotherapy and immunotherapy</p><p>Doctors have hailed “unprecedented” trial results that show a triple-action cancer jab can eradicate entire tumours in patients.</p><p>In an international trial spanning 11 countries, the injection was offered to patients whose cancer had spread or come back and whose disease had failed to respond to other treatments.</p> <a href="https://www.theguardian.com/science/2026/may/30/cancer-jab-can-eradicate-entire-tumours-in-patients-trial-shows">Continue reading...</a>
Trial of multi-cancer blood test among 142,000 NHS patients fails to meet main aim
<p>Results presented at oncology conference in Chicago show Galleri test failed to reduce late-stage cancer diagnoses</p><p>A blood test for more than 50 types of cancer that was billed as the holy grail of oncology has failed to achieve its main objective in a major clinical trial, according to data presented at the world’s largest cancer conference.</p><p>The goal of the study involving 142,000 NHS patients in the UK was to assess whether adding the <a href="https://www.theguardian.com/science/2022/sep/11/galleri-blood-test-multiple-cancers-before-clear-symptoms-study">multi-cancer early detection test Galleri</a> to standard screening could shift diagnoses to earlier, more treatable stages.</p> <a href="https://www.theguardian.com/science/2026/may/30/trial-of-multi-cancer-blood-test-among-142000-nhs-patients-fails-to-meet-main-aim">Continue reading...</a>
‘There is no way to stop this’: ‘Biotech Barbie’ Cathy Tie on her mission to genetically modify babies
<p>The Canadian entrepreneur has always pushed the boundaries of gene editing, once attempting to turn horses into unicorns. Now she is set on modifying human embryos – something her controversial ex-husband was jailed for doing</p><p>On a Friday evening in late April, Cathy Tie, the Canadian serial entrepreneur and self-styled “Biotech Barbie”, is centre stage at New York City’s famous Carnegie Hall, performing Saint-Saens’ Piano Concerto No 2 on a gleaming Steinway grand piano, accompanied by an orchestra. Her floor-length pink tulle gown shimmers with gold sequins; her dark hair cascades in waves over her caped shoulders. The music is passionate, but Tie’s expression is impassive. Her eyes dart between the piano keys and the sheet music in a flurry of concentration, but the rest of her face is totally still. She isn’t lost in the music; she’s focused on the job.</p><p>After the last notes ring out, Tie stands up and breaks into a tight smile and a brief bow before walking off stage, only to immediately return to receive the slightly awkward Happy Birthday sung by everyone in the orchestra and auditorium. This is Tie’s 30th birthday party. She has hired Carnegie Hall to mark the occasion. And, as I discover at the cocktail afterparty, most of the people invited to this performance – including me – have either only just met Tie or don’t know her at all.</p> <a href="https://www.theguardian.com/science/2026/may/30/there-is-no-way-to-stop-this-biotech-barbie-cathy-tie-on-her-mission-to-genetically-modify-babies">Continue reading...</a>
What is a blue micromoon and when is the best time to see it this weekend?
<p>A blue micromoon is a rare spectacle, though it’s not as blue or as micro as you might imagine</p><p>This weekend the night skies will feature a rare spectacle – a blue micromoon. We take a look at what the phrase means and how to catch a glimpse of the event.</p> <a href="https://www.theguardian.com/science/2026/may/30/what-is-rare-blue-micromoon">Continue reading...</a>
Poor sleep linked to rising cancer risk in under-50s
<p>Findings add to growing efforts to explain why cancer rates are increasing among younger adults worldwide</p><p>Poor sleep may be fuelling the global rise in under-50s being diagnosed with cancer, two large studies suggest.</p><p>The number of younger people diagnosed with the disease has risen by almost 80% in three decades. Worldwide cases of early-onset cancer increased from 1.82m in 1990 to 3.26m in 2019, while cancer deaths among people in their 40s, 30s or younger rose by 27%.</p> <a href="https://www.theguardian.com/society/2026/may/30/poor-sleep-linked-rising-cancer-risk-under-50s">Continue reading...</a>
How the success of D-Day hinged on a weather forecast
<p>As General Dwight D. Eisenhower prepared for D-Day, he needed a forecast. The new movie <i>Pressure</i> shows the tense make-or-break weather prediction that led to the successful invasion of Europe that spelled the beginning of the end of World War II</p>
Groundbreaking genomic test could spare millions of breast cancer patients chemotherapy
<p>Trial suggests patients with a low test score could be treated with hormone therapy alone with near-identical outcomes</p><ul><li><p><a href="https://www.theguardian.com/society/2026/may/29/breast-cancer-chemotherapy-genomic-test-case-study">‘Like Christmas’: woman’s relief after test finds she can skip chemotherapy</a> </p></li></ul><p>Millions of women with breast cancer could be spared chemotherapy with a groundbreaking genomic test, according to the results of a trial that could transform healthcare guidelines worldwide.</p><p><a href="https://www.theguardian.com/science/2026/jan/18/simple-blood-test-can-predict-which-breast-cancer-treatment-will-work-best-study-finds">Treatment for breast cancer</a>, the world’s most prevalent form of the disease, involves surgery to remove tumours. Chemotherapy is then usually recommended when doctors believe there is a risk the disease will return.</p> <a href="https://www.theguardian.com/society/2026/may/29/groundbreaking-genomic-test-spare-breast-cancer-patients-chemotherapy-hormone-therapy">Continue reading...</a>
‘Like Christmas’: woman’s relief after test finds she can skip chemotherapy
<p>Karen Bonham was part of successful trial for genomic test that determines which women with breast cancer can safely avoid chemotherapy</p><ul><li><p><a href="https://www.theguardian.com/society/2026/may/29/groundbreaking-genomic-test-spare-breast-cancer-patients-chemotherapy-hormone-therapy">Groundbreaking genomic test could spare millions of breast cancer patients chemotherapy</a></p></li></ul><p>A landmark study shows millions of women with breast cancer could skip chemotherapy thanks to a genomic test that determines who needs the treatment and who doesn’t.</p><p>The randomised international trial specifically looked at whether the test could identify those patients who would not benefit from chemotherapy, and then see if they could safely avoid it.</p> <a href="https://www.theguardian.com/society/2026/may/29/breast-cancer-chemotherapy-genomic-test-case-study">Continue reading...</a>