Astronomy

A river’s “gut” revived, snake-saving social media, an intragalactic donut, and more success stories of the year

Two giant telescopes—one in Australia, the other in South Africa—will comprise the supersensitive Square Kilometer Array

By releasing astronomers’ data before they’ve had a chance to analyze the information, NASA will make research less fair and equitable

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

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

How the JWST’s cosmic images are made

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

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

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