Scientific American

Psychedelics can create a new “hidden order” in brain activity that could explain how these drugs alter our sense of self

Testosterone is a longtime favorite of the bodybuilding crowd, but now the hormone is being touted for perimenopause, “looks maxxing,” and more

Could this secret cellular weapon be the key to longevity?

Flex your math muscles with this weekend’s brain teaser. Play now.

Growing crystals “like alchemy,” researchers plotted out the ideal site within the lattice to build a nuclear clock

For decades, an influential theory blamed the Rapanui for their own downfall—a story made famous by Jared Diamond’s book Collapse. New evidence tells a different tale

The country’s latest mission, Chang’e 7, will be the first ever to land directly at the moon’s south pole. Whatever it finds there could radically reshape a new space race

A groundbreaking study hints at a hazy boundary between “life” and “non-life,” as well as two distinct origins of biology on Earth

Researchers are exploring whether magic mushrooms could offer a new treatment for anorexia

Without drastic interventions, data centers in space could disrupt scientific observations and fragile ecosystems by adding almost innumerable new “stars” to the heavens above

Cryptographers use points along a curve to build tough codes

An investigation into the incomprehensibly, unfathomably large amount of money the U.S. owes

The space agency’s Neil Gehrels Swift Observatory, which studied cataclysmic cosmic explosions, is expected to burn up in Earth’s atmosphere later this year

Researchers are finally learning the mechanism behind one of the most prescribed medicines in the U.S., primarily used to treat or prevent type 2 diabetes

A new study finds that China’s solar energy boom is hurting bird diversity

Beijing’s success shows how close China is to the U.S. in the new space race

Music and math often come together in ways we don’t expect

The area of Europe affected by wildfires is due to triple, a new study finds

The SpaceX rocket fragment hit the moon at several times the speed of sound on August 5

The combined drug works by nudging the body’s own immune system to make proteins that attack and destroy melanoma cells

Five common microorganisms found on Earth could survive at the lunar south pole, a new study finds, presenting a contamination risk for future human missions

Here are four reasons solar energy has seen a meteoric rise in recent years

The star S301 swoops so close to our galaxy’s supermassive black hole that it could, for the first time ever, reveal that dark behemoth’s rotation

Miniature models of the human brain can be kept alive for years, allowing scientists to study neural development and brain diseases

Two American companies are pursuing rival manufacturing strategies for these long-promised cells in an industry China dominates

The 2001 Roadless Area Conservation Rule protects the nation’s forests from logging and other industry activities

SpaceX and other companies want to put millions of satellites into space. Could orbit run out of room?

Moiya McTier explores what makes human creativity unique in the age of AI

NASA’s Nancy Grace Roman Space Telescope will soon launch to unravel the mysteries of dark energy and dark matter

The unicorn of the sea’s spiral tooth has long been a scientific enigma

Overton is a medical doctor with ties to the “Make America Healthy Again” movement

Companies are making big bets on technology to solve lingering challenges in the clean-energy rollout. Here are four of the most ambitious projects

The conservative think tank’s report claims that high-intensity and elite sports training has lasting effects on menstrual cycles and fertility

Betelgeuse, the sky’s most famous red supergiant, is well studied but poorly understood