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An Ichthyosaur’s terrible, horrible, no good, very bad day 160 million years ago

The U.S. military needs tungsten, but pristine NASA site may stand in the way

It’s 90 degrees in the Arctic right now

Washington’s wildfires are a warning for the entire U.S.

Cyclospora outbreak tied to two deaths as parasite-borne illness continues to rage

Senate funding resolution seeks to put OMB rule changes to research grants on hold

How Antarctica’s Blood Falls came to be

Daddy long legs perform fellatio—and other wild facts about how these arachnids mate

Cyclosporiasis cases surge while new research questions ‘protein maxxing’

Postpartum psychosis is at the center of the Lindsay Clancy trial. What is it?

AI helped produce two proofs for the same cryptography problem

Eating less protein could help you live longer

How to surf on Saturn’s moon Titan

Secret eruption offers tantalizing glimpse of underwater volcanoes

The untold science and drama of Lewis and Clark’s expedition

How flowers shaped the world as we know it

Everyone alive may carry DNA from a ‘ghost lineage’ of human ancestors

Chilean mummies reveal a lost lineage of smallpox

3 charts show how extreme heat is costing us hours of lost sleep

Spacecraft will swarm asteroid Apophis during fateful 2029 Earth flyby

Bizarre new material discovered in Hiroshima bombing debris

Hundreds of ancient, never-before-seen ‘earthworks’ discovered in the Amazon

A unique cellular trick may explain octopus intelligence

Astronomers spot best-yet example of a wandering supermassive black hole

Rescue mission to save NASA’s Swift space telescope is imperiled in orbit

Neuroscientists pinpoint how smells bring back childhood memories

Avocado flowers switch sex daily—now we know why

The ultimate science summer reading list

Math’s acclaimed ‘einstein tile’ finds a new home among physicists

Why Einstein's theories of relativity make time travel possible

How mental exhaustion changes the choices you make

Scientists get best-yet glimpse of Betelgeuse’s companion star

What caused the magnitude 6.8 earthquake in Japan?

Has NASA already found life on Mars?

Can bees sense magnetic fields?

The best science books to read this summer, according to Scientific American editors

550 years later, scientists claim to have solved what killed Botticelli’s muse

The math of traffic jams and how to avoid them

SpaceX launches Starship on successful test flight

Fungus-made fashion—researchers turn living organisms into textiles

NHTSA considers new car door safety rules after fatal Tesla crashes

When will the cyclosporiasis outbreaks end?

Europe’s heat waves are killing thousands—and wringing its soils dry

How a 99-year-old mathematician unraveled a century-old braid mystery

Is it possible to regain a sense of smell? These scientists are working on it

The Rubin Observatory’s greatest legacy will be this ‘movie’ of the sky

Sunlight benefits and risks: what science says about healthy sun exposure

How lost shipping containers helped map the world’s ocean currents

Ancient geology could insulate Iran’s nuclear centrifuges under Pickaxe Mountain from bombing

Transplanted testicular tissue grew sperm in an infertile patient