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Why the Grand Canyon flash flood was so devastating

Experts explain why the monsoon storm turned so deadly

Have we finally found dark matter?

The world's biggest dark matter search saw a particle it cannot explain

Ada Yonath, Chemist and First Israeli Woman to Receive a Nobel, Dies at 87

JONATHAN KANDELL

Her mapping of the ribosome, which led to new designs for antibiotics, faced years of derision, as many scientists saw it as a dead-end effort.

Mathematician discovers how to fold the smallest origami doughnut

How many times do you have to fold a piece of paper to make a doughnut? After decades, a mathematician has determined the most efficient technique

Nepal’s deadly debris avalanche is a warning for the rest of the world

Avalanches like the one that devastated parts of Nepal and Tibet are becoming more common thanks to climate change. Here's where else is at risk

House passes stopgap bill that pauses changes to federal science grant-making process

The proposed changes, which would have given control of science funding to appointed bureaucrats, were criticized widely by the scientific community

Scientists Hunting Dark Matter Found Something Strange

KATRINA MILLER

A lone signal from an experiment in South Dakota doesn’t fit the profile of any other known particles, physicists say.

A Data Center Backlash

DAVID GELLES

Today we visit Pennsylvania, where there’s a high-stakes clash over A.I. jobs and the environment.

New York Climate ‘Superfund’ Law Falls in Court

KAREN ZRAICK

The court said the measure, which required energy companies to pay $75 billion to the state, conflicted with federal law.

Newly discovered ‘demon cave fish’ hid out in Alabama military installation for 40 years

Scientists named this oddball creature after the Demogorgon from Stranger Things

The hackers protecting America’s water supply

Cybersecurity experts are volunteering to keep America's utilities safe from attacks

Why this Canadian island appeared to disappear

A floating island in a Canadian reservoir moved more than 30 kilometers across the water—here's why

Top medical leaders urge Americans to get their flu and COVID shots in lieu of CDC vaccine campaign

The Trump administration has so far been silent on flu, COVID and RSV vaccine guidance for the coming season, even as these diseases kill thousands of people every year

GLP-1 weight-loss medication could slow aging and extend lifespan

Giving old mice semaglutide—commonly sold as Wegovy or Ozempic—extends their lifespan remarkably, a new study finds

The risk of high blood pressure in pregnancy is rising—and the damage can be life-changing

A recent CDC analysis says that, between 2016 and 2024, the rate of high blood pressure among pregnant women rose by 73 percent