Stories by Laura Helmuth

Quantum observers, migrating mangroves, the deep history of an asteroid and understanding appetite in this issue of Scientific American

Explore the new science of weird chemistry, anthropogenic evolution and near-death experiences

Reducing noise improves health, JWST’s galaxies change astronomy, and there’s new hope for people with prostate cancer

AI has deciphered ancient texts, learned new math and provided new ideas about human consciousness

New research reveals the origins of stars, sleep-based treatments and the planet’s limits

Why did matter outlast antimatter? And clumps of cells can learn and remember

Alaska’s rusting rivers, einstein tiles and the new science of asexuality

The risks of a $1.5-trillion plan to build up the U.S. nuclear arsenal

Why scary things can be fun, how to grow materials in space, and language’s influence on the mind

Geoengineering is happening, AI wants to talk with animals, and why we aren’t going to live in space

The hottest stars, how AI learns and new vaccines for RSV

Tornados are moving east, OSIRIS-REx’s asteroid sample is coming to Earth soon, and there’s fresh treasure under the seafloor

Sign up for a daily dose of discovery and awe

How electrons move, multiple personalities form and hookworms spread among pet dogs

Physicists attempt to weigh a vacuum and resolve the “worst theoretical prediction in the history of physics”

Strangely real imaginary numbers, an unsung founder of quantum physics and an endless AI conversation

Long COVID is a neurological disease, we can learn about pregnancy from other species, and the universe may be a hologram: highlights from the March issue of Scientific American

Love in the brain, how dreams predict disease and better words for climate change in this month’s issue of Scientific American

Gravitational waves, the evolution of human metabolism, theodiversity and quantum entanglement in this month’s issue of Scientific American

A new view of the universe, moral injury, opioid addiction and inequality, and more in the December issue of Scientific American

The Thwaites Ice Shelf is cracking up, humans learned to walk many times, and covert consciousness can be detected in unresponsive patients

Learn about Viking women, doughnuts in the brain, nuclear weapons, and more in the October issue of Scientific American

These fun stories show progress from the scale of quantum effects to that of snakes and from Earth to the edge of the universe

Bizarre sea creatures, a new view of the ocean, the race to the moon, and more