Astronomy

How the JWST’s cosmic images are made

These new views of familiar space sights reveal details never before seen

The Gaia satellite is making the most detailed and complete map of the stars in our galaxy

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

The James Webb Space Telescope has sparked a new era in astronomy

Much of North America can witness a delightful astronomical event on the evening of December 7 as the moon blocks out Mars

The Ads/CFT duality conjecture suggests our universe is a hologram, enabling significant discoveries in the 25 years since it was first proposed

Elon Musk’s Starlink and other satellite sources of light pollution and orbital debris should face an environmental review, the U.S. Government Accountability Office finds

How, and whether, to keep atomic time in sync with Earth’s rotation is still up for debate

An investigation by agency historian finds no evidence explicitly linking former director James Webb with anti-LGBT+ actions

We are drawn to breathtaking images of the heavens, but there is beauty in the numbers those images hold

Growing swarms of spacecraft in orbit are outshining the stars, and scientists fear no one will do anything to stop it