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Why do older people have fewer seasonal allergies?

250-million-year-old fossil proves mammal ancestors laid eggs

A face-swapping illusion can unlock childhood memories

30 years of Pokémon—how the Japanese franchise mirrors real-world science

Sperm whales may make their own vowel sounds, similar to human language

Colombia will euthanize Pablo Escobar’s invasive ‘cocaine hippos’

NASA’s Artemis III will pit SpaceX against Blue Origin

The East Coast could see blazing hot temperatures this week. Here’s why

Scientists just discovered 5.6 million bees under a New York State cemetery

The real science of Pokémon

Unlikely paths to discovery

The engineering marvels hidden inside six-figure watches

The baffling ecological disaster that's killing America’s freshwater mussels

Science crossword: Hot stuff

Readers respond to the January 2026 issue

Poem: ‘How I Became a Spitfire Pilot during My Cataract Operation’

New evidence links heart disease to inflammation—and drugs can stop it

May 2026: Science History from 50, 100 and 150 Years Ago

Mathematicians created an ‘impossible’ shape that shouldn’t exist

Math puzzle: A disassembly job

How two mathematicians solved a cryptography mystery

How to build a space hotel

How physicists found a new type of magnet hiding in plain sight

How cosmic rays are helping mining companies find critical minerals underground

How chemists engineer the signature smells of luxury perfumes

Expensive versus affordable binoculars—what’s the difference?

DARPA built an AI to fact-check enemy weapons claims

An asteroid extinguished all the dinosaurs except for birds. Here’s why

A hot pair of supplements, creatine and methylene blue dye, may not work together

The humble ham sandwich inspired a math theorem for sharing food fairly

Imperiled ‘cloud jaguar’ spotted in Honduran mountains for the first time in a decade

Person functionally cured of HIV after bone marrow transplant from sibling

Dream Chaser space plane faces uncertain future in NASA’s push for the moon

Bizarre ‘compleximers’ break the rules of both glass and plastic

This method to reverse cellular aging is about to be tested in humans

The Artemis II mission worked—but should we really keep returning to the moon?

How DNA forensics is transforming studies of ancient manuscripts

Beetle larvae mimic flower scents to attract bee hosts

See NASA’s Artemis II mission around the moon in 12 stunning photos

New study shows how the brain weighs evidence to make decisions

What NASA’s Artemis II tells us about the ‘overview effect,’ moon joy and awe

New metal with triple copper’s heat conduction challenges fundamental physics

NASA’s Artemis II reveals why humans still love the moon

NASA’s Artemis II moon mission splashes down

The Expanse authors James S. A. Corey explore alien war in new book The Faith of Beasts

New particle mass measurement deepens quantum mystery

Watch live—NASA’s Artemis II crew returns to Earth

NASA’s Artemis II crew returns to Earth

NASA’s Artemis II crew returns today—here’s what to know ahead of splashdown

Why bombing Iran’s nuclear power plant could cause an environmental disaster