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'Doomsday Clock' moves closer to midnight over threats from nuclear weapons, climate change and AI

Mountain lion spotted in San Francisco, officials working to capture it

Thinking on different wavelengths: New approach to circuit design introduces next-level quantum computing

How gut bacteria share antibiotic resistance genes and fuel dangerous hospital infections

A new route to synthesize multiple functionalized carbon nanohoops

Milky Way is embedded in a 'large-scale sheet' of dark matter, which explains motions of nearby galaxies

Net-casting spiders' adjustable silk stiffness point to tunable fiber design

Study shows the hominid population of Sima de los Huesos had a varied diet

Twisted oxide crystals show how atomic patterns alone can trap or repel electrons

Massive star WOH G64 is still a red supergiant—for now

Magnetic superhighways discovered in a starburst galaxy's winds

'Spectral slimming' yields ultranarrow plasmons in single metal nanoparticles

Highly stable Cu₄₅ superatom could transform carbon recycling

Showing real climate wins and friendships helps people join collective climate efforts

Parasite behind toxoplasmosis hides multiple distinct subtypes inside each cyst

Climate-risk scores guide major decisions, but underlying science is rarely open

One week in a foster home can dramatically improve shelter dogs' lives

Europe's next-generation weather satellite sends back first images

Did You Feel It? Expanding use of an earthquake crowdsourcing tool

Marine volcanic plateaus tied to at least 4 Triassic extinction events

How a vital DNA protection protein complex adapts to new threats without compromising its essential functions

Energy crisis coal switch increased emissions, illnesses and deaths across 6 countries

Identifying dinosaurs from their footprints is difficult, but AI can help

How fire, people and history shaped the South's iconic longleaf pine forests

Why some people speak up against prejudice, while others do not

Biomass could play a key role in Canada's transition to a carbon-neutral economy

White men held less than half the board seats on the top 50 Fortune list for the third straight year

Want to ride your bicycle? Study highlights rise of Canada's bike network

Reconfigurable robotic fish reveals how stiffness and wave propagation shape swimming performance

Cuttlefish use polarized light to create a dramatic mating display invisible to humans

How defects make permanent magnets even more efficient

Streaks on Mercury show that it is not a 'dead planet'

Trust in Ph.D. advisor can predict a good grad school experience

Gold 'supraballs' nearly double solar energy absorption in tests

First radio signals from rare supernova reveal star's final years

AI unlocks hundreds of cosmic anomalies in Hubble archive

Readers crave good stories, gender irrelevant

Red flowers have a 'magic trait' to attract birds and keep bees away

Claiming your business page on review platforms can have unintended effects on customer reviews, study shows

Where did southern Australia's record-breaking heat wave come from?

In ancient Mesopotamia, what was a ziggurat?

Groundhogs are lousy forecasters but valuable animal engineers—and an important food source

Back to school: What are the money lessons to teach your kids at every age?

Most AI assistants are feminine—and it's fueling dangerous stereotypes and abuse

NASA, GE aerospace hybrid engine system marks successful test

Ensuring equitable technological transitions: AI use in the workforce

Drug delivery concept boosts nanoparticle surfactants for enhanced oil recovery

Ancient Martian beach discovered, providing new clues to red planet's habitability

Peatland restoration can deliver climate mitigation benefits within a few decades

Context matters: Looking at role in fishery sustainability could serve as a foundation to improve fisheries worldwide