Four astronauts are expected to be back on Earth by Thursday — four months earlier than expected —after a crew member ...

It was announced last week by NASA that a planned spacewalk scheduled for Thursday was postponed due to a "medical concern" ...

NASA has postponed the first planned spacewalk of 2026 after a medical concern involving a crew member aboard the ...

NASA astronauts Mike Fincke and Zena Cardman are due to conduct the first spacewalk of 2026 outside the International Space Station. How to watch.

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious object's closest approach to Earth on Dec. 19. When you purchase through ...

A cool interstellar comet that for millions of years has drifted in the spaces between our stars is now back in our telescope viewing range and will make its closest approach to Earth this week. We’re ...

NASA is tracking a plane-sized asteroid known as 2025 XM as it hurtles toward Earth’s neighborhood at roughly 9,753 miles per hour, a reminder of how busy and carefully watched our cosmic surroundings ...