Scientific American Magazine

Soaring numbers of satellites could pose grave threats to the heavens above and our planet below

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

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

Neuroscience is revealing how our brains are wired for narrative

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

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

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