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Massive insect body size 300 million years ago may not have been due to high atmospheric oxygen

Extreme global climate outcomes are possible even at 2°C warming, study warns

How the body senses cold has been a mystery—until now

Past CO₂ emissions may drive far bigger future economic losses

The earliest dogs in Europe: 14,200-year-old DNA helps reveal their identity

When were dogs domesticated? The oldest known dog DNA offers clues

That minty-fresh feeling? Scientists now know how our bodies feel cold

NASA X-ray mission gets fresh look at 2,000-year-old supernova

Low-cost sensor system could warn farmers of salt stress in plants

Bioelectronic platform enables precise H₂S delivery to cells, turning a toxic gas into a therapeutic tool

The Martyrs, Hunters, and Nature Lovers Who Came Together to Save Birds

Now you see it, now you don't: Material can transition between quantum states

In Math, Rigor Is Vital. But Are Digitized Proofs Taking It Too Far?

How Writing Changes Mathematical Thought

World Food Prize goes to food safety scientist for preventing millions of cases of foodborne illness

Landmark experiment reveals a big unexpected problem with cloning

Radio signals at the edge of extreme stars come from far beyond their surfaces

Tiny fossil eggs provide first physical evidence of Cretaceous bird-like dinosaurs in Korea

Unusual signal may prove existence of primordial black holes

Polymer uses movable molecular rings to overcome durability–degradability trade-off

DNA origami precisely positions single-photon emitters for quantum technologies

A private moon lander challenges ideas about lunar volcanism

Turning CO₂ into methanol: Multilayer machine learning speeds up search for better catalysts

Clumps of mouse brain cells can learn to play a virtual game

Ancient elephant bones reveal vivid details of a Neanderthal hunt

Scientists discover why this deadly lung cancer keeps coming back

Low snow water content tied to higher wildfire burn severity, analysis finds

24 new deep-sea species found including a rare new branch of life

Scientists just discovered bees and hummingbirds are drinking alcohol

The polar bear 'umbrella': How protecting one species saves many

The Selfish Gene: Still one of the most thrilling evolution books ever

Metformin’s hidden brain pathway revealed after 60 years

Artemis 2 Moon mission: a primer

First microlasers capable of detecting individual molecules and ions could one day aid diagnosis

Genomes reveal five E. coli 'armor' types behind most multidrug-resistant bloodstream infections

Can AI actually solve real math proofs? Researchers put it to the test

Meet the four astronauts set to voyage around the moon

Dirty diapers born again in Japan recycling breakthrough

It's go time: historic Moon mission set for lift-off

Green fireball captured on dashcam video as a meteor streaks across the Pacific Northwest sky

Britain's hibernating hazel dormice are getting lighter in spring as temperatures rise, study suggests

Combining algae and oyster shells for biodiesel born in the bayou

Astronomers solve 50-year mystery of a naked-eye star’s extreme X-rays

Project Hail Mary meets reality: 45 planets could harbor alien life

Does a company's political power affect its success in obtaining federal contracts?

Eight amino acids may explain salamanders' reduced cold sensitivity

Are mercury levels elevated across US conservation lands?

Cancer-causing chemical found to be leaking from gas cookers

The world's great fish migrations are collapsing. That's a problem for millions of people

Most Americans don’t know this food raises colon cancer risk