Can a Hydroelectric Dam Really Make the Days Longer?

By shifting water to a higher elevation, the giant Three Gorges Dam caused the Earth to spin more slowly. [...]

The Oceans Are Going to Rise—but When?

The uniquely vulnerable West Antarctic Ice Sheet holds enough water to raise global sea levels by 5 meters. But when that will happen—and how fast—is anything but settled. [...]

Earth Day Challenge: Test Your Recycling IQ

How good is your recycling knowledge? Participate in Earth Day and make our world greener by identifying which items are actually recyclable. [...]

DOGE Cuts Pull AmeriCorps Volunteers Off of Disaster Relief Jobs

Workers for the National Civilian Community Corps were sent home due to “new operational parameters.” The program’s long-term fate is unclear. [...]

Aurora Borealis Might Be Visible in the Far North Skies Tonight

There's a chance for G4 (severe) geomagnetic storm tonight, NOAA space weather forecaster Shawn Dahl told CNET. [...]

As mosquito ranges expand, better monitoring is key to preventing disease

Monitoring is expensive and labor intensive. But it helps public health officials stop outbreaks. [...]

No sterile neutrinos after all, say MicroBooNE physicists

There's a less than 5 percent chance that earlier anomalies can be explained by fourth neutrino "flavor." [...]

A four-month-old startup just raised $650 million to build AI that improves itself

  The idea that an AI system could improve itself, then use those improvements to improve itself again, faster, in an accelerating loop that eventually outpaces every human researcher on earth, has b [...]

Wildfires are challenging air quality monitoring infrastructure

Can the US's system to monitor air pollutants keep up with a changing climate? [...]