NASA's historic Artemis 2 moon mission has had yet another setback. Artemis 2 – the first human spaceflight under NASA's multibillion-dollar program – appeared on track for a March liftoff after the ...

Interstellar comet 3I/ATLAS is expected to make its closest approach to Earth on December 19. Astronomers are presently tracking the rare visitor from beyond as it passes through our solar system.

Helium flow issue forces NASA to consider rolling back Artemis II rocket from launch pad. The technical problem threatens a March launch of the crewed moon mission.

Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts are on the verge of becoming the first humans to venture near the moon in more than half a century since NASA's ...

NASA is aiming for an April 1 launch date for a mission that will send astronauts around the moon and back as part of its ...

Mercury has long been cast as the solar system’s burnt-out rock, a relic too small and too close to the Sun to hold many surprises. That caricature is now collapsing. New analysis of NASA’s MESSENGER ...

A rugged Martian landscape that resembles a vast spiderweb when seen from orbit is offering new insights into the planet’s ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...