NASA has postponed a spacewalk outside the International Space Station (ISS) and is considering bringing back its crew early due…

Artemis II crewmembers (left to right) NASA astronauts Christina Koch, mission specialist; and Victor Glover, pilot; CSA (Canadian Space Agency)…

Development continues on NASA’s Power and Propulsion Element, a solar electric propulsion spacecraft designed to provide power for Gateway in…

Earth-orbiting satellites could begin colliding with one another in less than three days in a worst-case-scenario scenario — potentially triggering…

Sign Up For Goods 🛍️ Product news, reviews, and must-have deals. Every Christmas, my family follows the same script: a…

Scientists analyzing the first images from the Vera C. Rubin Observatory have discovered the fastest-spinning asteroid in its size class…

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. For thousands of years, hunters around…

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Critics have long warned that too…

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Lightning is one of Earth’s most…

The year that iceberg A-23A first broke away from Antarctica’s Filchner Ice Shelf, Ronald Reagan was president of the United…