Three NASA-supported small spacecraft launched aboard a SpaceX Falcon 9 on October 1, carrying experiments that could reshape spacecraft propulsion, ultraviolet astronomy, and the way satellites are ...

A cryptic announcement raises questions about the type of weapons and how they could be used. We talked to an expert about the consequences.

NASA’s SpaceX Crew-12 astronauts have returned to Earth after 237 days in space, traveling more than 100 million miles and completing over 3,792 orbits while conducting research to prepare for future ...

A Space Telescope Science Institute astronomer will hold three free presentations Oct. 1-3 for students, the general public, and educators.