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. When most people
At 17, Jeret Howard raised his right hand to serve his country as a United States Army combat medic in Iraq. This past summer, he raised his right hand again at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. Hired as a civil servant under the agency’s workforce directive to restore core competencies by
NASA will provide coverage as two astronauts step outside the International Space Station on Tuesday, Sept. 1, to replace a spacecraft navigational aid and complete several maintenance tasks in support of space station operations. Watch live coverage beginning at 7 a.m. EDT. The spacewalk is expected to start at approximately 8:30 a.m. and last about
EDITOR’S NOTE: This story, originally published in December, was revised Aug. 26, 2026 with an update on a new phase of testing, including video from a recent test run and new images. To help NASA and commercial partners better understand the science of lunar landings, specifically the hazards that may occur when a lander’s engine
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. What’s the weirdest
Being tired behind the wheel can be as dangerous as driving while drunk1. Yet, whereas showing up to work intoxicated can lead to dismissal, being visibly sleepy doesn’t tend to have comparable consequences — at least for now. Too hot to sleep? How heatwaves at night affect our health As employers learn more about the