Orbiting 250 miles above Earth, the views from the International Space Station (ISS) are second to none, and always make a huge impact on astronauts lucky enough to stay there. NASA’s Zena Cardman, ...

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We'll let other publications offer you ...

The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

SpaceX has released a striking time-lapse video from its May 1 Starlink launch, showing satellites separating in orbit against Earth’s sunrises and sunsets. The footage, shared by Starlink engineering ...