Less than a decade since the first detection of gravitational waves—ripples in spacetime itself—proposed budget cuts threaten to silence this groundbreaking science ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific ...

Physicists superheated gold to 14 times its melting point, disproving a long-standing prediction about the temperature limits ...

As large language models like Claude 4 express uncertainty about whether they are conscious, researchers race to decode their ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing a jigsaw every weekday to show off some of our most ...

High humidity and low overnight temperatures will put tens of millions of people under heat alerts over the course of the ...

When researchers discovered "dark oxygen" last year, the news spread around the world, but the biggest challenge to the ...

The brains of healthy people aged faster during the COVID-19 pandemic than did the brains of people analysed before the ...

Ozzy Osbourne, lead singer of Black Sabbath, has died at age 76. He said he had been previously diagnosed with a form of ...

Heat and humidity will once again smother the eastern half of the country this week, pushing the heat index to dangerous levels for tens of millions of people. In the Midwest, the humidity will be ...

Clare Fieseler is a journalist, conservation biologist and National Geographic explorer who covers climate change, oceans and clean energy.

S4, a $900-million cosmology experiment, would answer one of the greatest questions in physics. Instead it’s become another cautionary tale of pursuing big science amid shrinking budgets ...