Civil War Toll Much Worse in Confederate States, New Estimates Show
An analysis of newly released 19th-century census records offers more insight into the conflict’s costs.Faded ink. Inconsistencies. Fires. The deadliest…
SpaceX Prepares for Sixth Starship Test Launch: What to Know
The company will try to catch the giant booster of its moon and Mars rocket for a second time on…
Where Glaciers Melt, the Rivers Run Red
Dionisia Moreno, a 70-year-old Indigenous farmer, still remembers when Shallap River, nearly 13,000 feet up in the Cordillera Blanca, brought…
Trump Plans to Attend Elon Musk’s SpaceX Launch on Tuesday
President-elect Donald J. Trump plans to attend a SpaceX launch in Texas on Tuesday, according to two people familiar with…
SpaceX Starship’s Sonic Boom Creates Risk of Structural Damage, Test Finds
An independent researcher found that noise recorded miles away from the site of a recent test flight was equal to…
A Mummified Saber-Toothed Kitten Emerges in Siberia
The Homotherium cub was preserved in Siberian permafrost with its dark fur and flesh intact.In 2020, prospectors seeking mammoth tusks…
COP29 Climate Talks in Baku, Azerbaijan, Head Into Final Stretch
Senior ministers are arriving in an effort to break a deadlock over the summit’s main goal: funding to help lower-income…
Barnard’s Star Finally Has a Planet, and Possibly More
For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest…
Thomas E. Kurtz, co-creator of BASIC programming language, dies at 96
At Dartmouth, long before the days of laptops and smartphones, he worked to give more students access to computers. That…
Democrats’ Message at COP29 Climate Talks: Don’t Panic
American officials are seeking to assure the world that U.S. climate action won’t end with the return of Donald Trump…