Apollo 10 “dress rehearsal” mission launched into orbit, to set up the Apollo 11 moon landing mission a month later.

NASA’s GRAIL mission reveals thermal differences in the moon’s mantle, explaining surface contrasts between its sides.

This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an upside-down bear to some of the oldest stars in the universe.

Astrophotographer Ronald Brecher has captured a gorgeous view of the 'Sunflower Galaxy' (Messier 63) from his backyard ...

The Royal Museums Greenwich says the Perseid meteor shower is active between July 17 and August 24, with the shower peaking ...

The Mastcam-Z camera on NASA’s Perseverance rover captured the Martian moon Phobos as it eclipsed the sun. Credit: ...

Ever since American astronauts landed on the Moon, there’s been an appetite to visit Mars. But a number of daunting ...

NASA's PUNCH mission, a tiny constellation of four satellites, captured a photo of the moon drifting across the sky through a ...

We've even been asked if you could run solar cells during the long lunar night on reflected earthlight, so we decided to ...

The best telescopes for kids that we recommend are not toys but usable instruments, based on how easy they are to use for ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars. Captured using the rover's Mastcam instrument on January 17, 2025, the ...