Scientific American.com

Humans traveling to Mars will need protective habitats to live on the harsh surface. Ice could help

From glowing neurons to newborn memories, here are the most fascinating brain discoveries of 2025

In an exclusive excerpt of her new book The Great Shadow, historian Susan Wise Bauer explores how sickness is distinct from injury and has shaped the way we think about ourselves and our world

Billionaire Jared Isaacman is taking the reins at NASA at a challenging time for the space agency, as it faces budget cuts and technical hurdles that could scuttle its most ambitious missions

Astronomers using the James Webb Space Telescope have discovered a bizarre-looking exoplanet that defies explanation

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth

The U.S. government is dismantling the National Center for Atmospheric Research, jettisoning key climate science projects in the process

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen before

A scientist, a journalist and a remarkable scent‑detecting dog race to learn what’s endangering the last southern resident orcas

Bones of now extinct species became a haven for bee babies thousands of years ago, scientists report in a first-of-its-kind discovery

The Arctic has changed dramatically in the past 20 years, a new report shows, as temperatures skyrocket and ice rapidly melts

A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S. and other countries