Did you spend part of your summer camping, hiking, at the pool, or in an aircraft? So did NASA’s 2025 Astronaut Candidate Class. The 10 candidates have been working their way through a comprehensive and rigorous training program since the agency introduced them to the public on Sept. 22, 2025, from NASA’s Johnson Space Center
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. There’s nothing better
Artificial-intelligence-based models of protein structure could be improved by incorporating data from pharmaceutical companies.Credit: Miyako Nakamura/Getty For drug discovery, protein-folding models such as AlphaFold have a data problem: there isn’t enough of it in public databases. Improving the performance of these artificial-intelligence-based tools will require extra data that provide examples of how proteins and drugs
One hundred years ago, on 23 September 1926, zoologist Paul Kammerer shot himself on Hochschneeberg, a mountain plateau southwest of Vienna. He was discovered slumped against a rock by a retired railway worker who had followed the barking of the dogs Kammerer had taken with him on his final walk. Shock at the zoologist’s death
The United Kingdom’s universities are under pressure from almost every direction. Four in ten higher-education (HE) institutions are forecast to be in a deficit this financial year, as they grapple with monetary pressures, changing student uptake and reduced funding. This week, more than 518,000 students are due to arrive at the country’s universities, and around