Science

Last November, NASA and its European partners launched the Sentinel-6B satellite to improve hurricane forecasts, help protect infrastructure, and benefit commercial industries, including shipping. The satellite now is flying 30 seconds behind its predecessor, Sentinel-6 Michael Freilich. Both satellites...

A mountain chickadee waking up in the Sierra Nevada range on a snowy morning has no time to dawdle.Weighing about as much as a pencil, it needs to find stashed pine nuts within minutes or succumb to the howling...

Jaden Caradine knew he wanted to be an engineer at eight years old. He just took a winding road to get there. Before he enrolled at Embry-Riddle Aeronautical University, before he discovered the field that would become his focus, and...

Safety concerns about AI are growing, and now, a common method for catching misbehaving systems could have flaws, new research suggests.In experiments with AI agents, researchers found that chain-of-thought monitoring, in which one AI checks another’s work, became far...

A pioneering fossil hunter who was one of the first women to be employed by the Natural History Museum has been recognised with a national blue plaque.Dorothea Bate, who died in 1951 aged 72, "transformed our understanding of prehistoric...

Winter near the Antarctic Circle brings months of frozen darkness, when sea ice chokes ocean waters and many of its denizens hunker down to ride out the harsh conditions. But as winter began to release its icy grip, an...

Explanation: Chasing the shadow of a New Moon, NASA’s WB-57F high altitude research aircraft took to the skies off the coast of Iceland on August 12 to observe a total solar eclipse. At 50,000 feet the aircraft was piloted...

The fire department at NASA’s Ames Research Center in California’s Silicon Valley will perform training on the Moffett Federal Airfield beginning Tuesday, Sept. 8 through Friday, Sept. 11. The training will involve the use of a propane-fueled aircraft fire...

Tens of thousands of years ago, a long-legged cat nicknamed the “American cheetah” prowled North America. But an analysis of the cat family tree reveals this cheetah’s closest living relatives are pumas, researchers report September 4 in Current Biology.That...

Replacing human subjects with AI surrogates, or digital twins, is on some social scientists’ wish lists. Human subjects are expensive, tire easily and can suffer psychological distress from some studies.But those wishes may take more time to be realized,...