Category Science

January 29, 2025 3 min read Trump Asks SpaceX to Return NASA’s ‘Stranded’ Astronauts to Earth ASAP Despite a recent request from Trump, NASA astronauts Suni Williams and Butch Wilmore were already scheduled to return to Earth on a Crew Dragon capsule this spring By Mike Wall &…

Illustration of the heart muscle patch Eva Meyer-Besting/UNIVERSITÄTSMEDIZIN GÖTTINGEN A muscle patch crafted from stem cells has improved cardiac function in monkeys with heart disease. It is now being tested in a small number of people, with early results from…

CLIMATEWIRE | The federal government Tuesday shut down the online system it uses to distribute billions in disaster aid after President Donald Trump ordered agencies to freeze the flow of public money, alarming officials who are struggling to respond to…

Environmental advocates warned that the order could have immediate and dire consequences for Americans if it takes effect. “From the White House, this is the reckless stroke of a pen,” said Manish Bapna, president of the Natural Resources Defense Council,…

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Life as we know it couldn’t exist without the sun, but we know surprisingly little about our host star. That’s where the field of heliophysics comes in—and 2025 is set…

Each year, about 185,000 people in the United States undergo amputation. Nearly half of those are due to injured blood vessels cutting off circulation to a limb. Surgeons can transplant an intact vein from somewhere else in a patient’s body…

Brown bears roam across much of the northern hemisphere from the mountains of Spain to the prairies of the US. These bears are formidable carnivores that can weigh up to 751 kg (1,656 lb) and have claws 15 cm (6…

January 28, 2025 5 min read Celebrate Lunar New Year with 7 Snake Facts In honor of the Year of the Snake, let’s appreciate the strange anatomy and evolution of these slithery reptiles By Allison Parshall edited by Dean Visser…

January 28, 2025 3 min read Pristine Ancient Forest Found Frozen in Time in Rocky Mountains A melting ice patch in the Rocky Mountains uncovered an ancient forest, and these trees have stories to tell about dynamic landscapes and climate…

January 28, 2025 4 min read Can Trump Just Order New Names for Denali and the Gulf of Mexico? A geographer explains how maps’ place names, such as the Gulf of Mexico and Denali, are decided By Innisfree McKinnon &…