Farmers Put Down the Plow for More Productive Soil
By ERICA GOODE Soil-conservation farming, a movement that promotes not tilling fields and using “green” manures, is gaining […]
science
Short Circuits Reported in Mars Rover’s Drilling Arm
By KENNETH CHANG NASA engineers are diagnosing an electrical problem on the Curiosity Mars rover, which may limit […]
NASA’s Dawn Probe Begins Orbiting Dwarf Planet Ceres
By KENNETH CHANG The spacecraft, launched in 2007, is now circling Ceres in the asteroid belt between Mars […]
Fastest Star in the Galaxy Got an Unusual Start
By DOUGLAS QUENQUA Scientists say US 708— thought to be the fastest unbound star in the galaxy — […]
To Find Food, Follow the Older Female Whale
By DOUGLAS QUENQUA Postmenopausal killer whales were more likely to take the lead on the hunt than male […]
El Niño Forms, but Forecasters See Little Weather Impact
By HENRY FOUNTAIN The weather pattern over the Pacific had been expected, but it is described as so […]
Mars Had an Ocean, Scientists Say, Pointing to New Data
By MARC KAUFMAN If confirmed, the findings would lend new weight to the view that ancient Mars had […]
Astronomers Observe Supernova and Find They’re Watching Reruns
By DENNIS OVERBYE For the first time, astronomers have watched, over and over again, a star blow itself […]
Jawbone’s Discovery Fills Barren Evolutionary Period
By JOHN NOBLE WILFORD The 2.8-million-year-old mandible of a Homo habilis predates by at least 400,000 years any […]
Researchers Report Milestone in Developing Quantum Computer
By JOHN MARKOFF A team of University of California, Santa Barbara, and Google scientists reported that they had […]