First high-resolution colour image shows geological feature that is the reverse of the Grand Canyon
First man on moon's death prompts US to mourn passing of age of heroism and exploration
First man to walk on moon passed away after heart surgery complications say "heartbroken" family
Opinion Digest: Nasa's next challenge, Cameron's misjudged Putin meeting, multicultural Team GB
Sophisticated lab has landed safely on the red planet and is already sending back data
Nearly all of Greenland's ice sheet began to melt for a few days in July. Is climate change to blame?
Petermann Glacier calves a second iceberg in two years, raising concerns at the rapid pace of ice loss
US Air Force's X-37B lands after a 15-month mission amid speculation that it has been spying on the Chinese space station