Immune cells in the blood drive cognitive ageing — blocking them improves memory
Old T cells secrete an enzyme that can impair brain function in mice.
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Are we really headed for a ‘super’ El Niño? What the science says
An El Niño is coming, models say, but Nature spoke to researchers about when and how we’ll know its intensity.
Hallucinated citations highest in social sciences preprints site
More than 140,000 fake citations across four research repositories were identified in papers and preprints published in 2025…
Sleep linked to slower ageing: huge study pinpoints the right amount
Health outcomes were better in people who slept between about six and eight hours a day.
At last, a pill that can prevent COVID after exposure to infected people
Drug arrives years after pandemic’s peak, but could still offer critical protection to vulnerable populations.
Red-light therapy is all the rage — does it work?
Hear the biggest stories from the world of science | 06 May 2026
AI can design viruses, toxins and other bioweapons. How worried should we be?
Scientists are debating whether to limit biological AI software to ward off threats.
Did Homo erectus and Denisovans mate? Tooth proteins hint at ancient trysts
Genetic analysis suggests interbreeding between two groups of human relatives.
AI bills can be as big as a postdoc salary. Is the cost worth it?
Recent price hikes, usage limitations and unreliable outputs are causing some scientific researchers to think twice about using…
How to vibe code in science: early adopters share their tips
Using AI coding tools can speed up your work, but there are plenty of pitfalls.
Ice core reveals longest-ever continuous record of Earth’s climate
Data from Antarctica could help to solve the mystery of why ice ages were so brutal.
Hantavirus outbreak exposes uncertainty about how disease spreads
Passengers who were on the cruise ship MV Hondius will quarantine in their home countries.
Giant map reveals thousands of cities worldwide with successful green policies
Greenhouse-gas emissions from burning fossil fuels have been mapped across thousands of cities worldwide.
Audio long read: The air is full of DNA — here’s what scientists are using it…
Listen to an audio version of a recent Nature Feature.
Elsevier vs Meta: first science publisher sues over scraped research papers
Science publishing giant Elsevier has joined a class-action lawsuit against Meta that alleges the reproduction of copyrighted…
Briefing Chat: Can’t focus? It’s not your attention span, it’s your…
Hear the biggest stories from the world of science | 08 May 2026
World-leading climate centre takes Trump administration to court
Universities that run the National Center for Atmospheric Research want to keep it from being dismantled.
Goodbye GDP? 31 ways to replace the world’s favourite measure of economic health
Proposed UN progress indicators include greenhouse gas emissions, life expectancy and children’s performance in reading and maths.
Surge in fake citations uncovered by audit of 2.5 million biomedical-science…
An analysis of 97 million references has found that rates of fabricated citations have climbed steeply since 2023.
World’s largest forest research agency faces severe cutback by Trump…
The US Forest Service has proposed closing some three-quarters of its research sites in a move that has provoked widespread fear…
Three mental-health claims from RFK’s wellness movement: what scientists say
The Make America Healthy Again movement asserts that over-prescription of drugs for mental-health conditions is rife in the…
Why AI chatbots that follow human laws are hard to build
OpenAI is under investigation after a person accused of murder in Florida allegedly sought ChatGPT's advice to plan the crime.
Early-career researchers do more ‘disruptive’ science than veterans
Analysis of papers from millions of scientists shows that older researchers tend to stick with ideas from their past.
There is no vaccine for deadly hantavirus: what that means for future outbreaks
Virologist Jay Hooper is developing a vaccine for the rare rodent virus behind an outbreak on a cruise ship.
Anaesthetized brains can still process podcasts
Hear the biggest stories from the world of science | 06 May 2026
Are attention spans really shrinking? What the science says
Digital distractions are vying for people’s focus, but our underlying capacity to pay attention seems to be undiminished.
Even the unconscious brain can learn — and predict what you’ll say next
Neuronal recordings of people under anaesthesia show that their brains are processing words and sounds.
Revealed: the mysterious ‘dark’ proteins that might play a big role in biology
Thousands of dark proteins have been reclassified as peptideins and added to databases as a new category.
Explore a stunningly detailed map of the Universe in April's best science images
The month’s sharpest science shots, selected by Nature’s photo team.