Evergreen or Not?
By C. CLAIBORNE RAY The needles on a conifer normally turn yellow or brown at predictable times of […]
Science
Some Dinosaur Eggs Took Six Months or More to Hatch
By JAMES GORMAN Using embryonic tooth age, researchers have concluded that dinosaur eggs took twice as long to […]
Top Scientists Urge Trump to Abide by Iran Nuclear Deal
By WILLIAM J. BROAD In a letter, physicists and other nuclear experts emphasized progress made in slowing Iran’s […]
SpaceX Says It’s Ready to Launch Rockets Again
By KENNETH CHANG The company says it has determined the likely cause of an explosion in September that […]
Can Carbon Capture Technology Prosper Under Trump?
By JOHN SCHWARTZ Progress has come in fits and starts, but supporters believe a new plant in Texas […]
Weak Federal Powers Could Limit Trump’s Climate-Policy Rollback
By JUSTIN GILLIS The renewable energy transition is well underway and will not be easily reversed. But the […]
Infrared Trifid
The Trifid Nebula, also known as Messier 20, is easy to find with a small telescope, a well […]
A Universe of Bubbles in Every Champagne Bottle
By JOANNA KLEIN Researchers studied bubbles from the grapevine to the glass, learning more about their properties and […]
An Alaskan Volcano Erupts, Largely Out of View
By HENRY FOUNTAIN Scientists rely on remote sensing instruments, including satellites, to know when Bogoslof volcano is pouring […]
Pan Pan, Father to a Generation of Pandas, Dies in ...
By ERIN McCANN At 31, he was among the world’s oldest pandas, and his descendants are said to […]