SCIENTIFIC AMERICAN: The latest issue features ‘Collision Course’ – Companies want to put millions of satellites into space. Are we headed for an orbital catastrophe?

The battle for the night sky

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

What really happened on Easter Island?

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

How NASA turned a spy satellite into its new dark energy telescope

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

Why your brain turns life into stories

Neuroscience is revealing how our brains are wired for narrative