What Is Entropy, Really?
Never mind the “heat death of the universe.” Entropy is just a bridge between two levels of reality.
Rhett Allain
China’s Tianwen-2 Space Probe Has Rendezvoused With Earth’s Quasi-Moon
The probe sent back the first pictures of the asteroid Kamo’oalewa. Next step: landing on the surface and collecting samples to send back to Earth.
Ritsuko Kawai
What if the Universe Isn’t as Uniform as Scientists Think?
A study based on 47 million galaxies found that the cosmic web retains patterns on enormous scales, which could force a reevaluation of a pillar of cosmology.
Jorge Garay
New York Is About to Feel Hotter Than Phoenix
Extreme heat coupled with humidity will make it feel like 109 degrees Fahrenheit as the holiday weekend approaches.
Isabella Ward
Sotheby’s Big T. Rex Auction Raises Concerns Hype and Wealth Are Upending Science
Private buyers are increasingly outbidding museums for fossils. That’s making it difficult—or even impossible—for researchers to improve our understanding of the past.
Kate Wong
Astronomers Have Found a Sugar Molecule in Deep Space for the First Time Ever
Researchers identified traces of erythrulose, a monosaccharide, thousands of light-years away.
Jorge Garay
British Space Startup Launches Longevity Lab Into Orbit
The lab will beam back data to train AI models to predict how proteins behind age-related diseases like Alzheimer’s and certain cancers behave.
Isabella Ward
Dimming the Sun Would Help Lower the Risks of El Niño. No, Really
As worries about a growing super El Niño mount, new findings suggest a radical solution to mitigating its impacts.
Molly Taft
Where NASA Posts Its Best Space Photos, and How to Find Them
Explore decades of incredible images and videos of stars, planets, moons, and galaxies—most of which are free to use and share.
David Nield
The US Approves Launch of Mirror Satellite That Can Reflect Sunlight and Illuminate the Earth at Night
The FCC authorized Reflect Orbital to launch the mirror satellite Eärendil-1. “For optical astronomy, this poses an existential threat,” the European Southern Observatory said.
Javier Carbajal
The Explosive Diarrhea Outbreak Is About to Get Much Bigger
Official case counts likely capture only a fraction of US cyclosporiasis infections, and the outbreak is likely to get worse before it gets better.
Emily Mullin
Drive Slower, Save Money on Gas. Thanks, Physics!
Planning a Fourth of July getaway? Use less gas—and cut your emissions—by easing up on the pedal.
Rhett Allain