Astronauts Steven L. Smith and John M. Grunsfeld are photographed during an extravehicular activity (EVA) during the December 1999 Hubble…
As the Apollo 8 command module rounded the far side of the moon on Dec. 24, the crew could look…
The Republic XF-91 Thundercepter was a single-place fighter-type airplane powered by a General Electric J47-GE-17 turbojet engine. The wing had…
Winter is approaching in the southern hemisphere of Saturn and with this cold season has come the familiar blue hue…
Saturn’s moon Enceladus, covered in snow and ice, resembles a perfectly packed snowball in this image from NASA’s Cassini mission.…
NASA’s Cassini captures a still and partially sunlit Enceladus. The Saturnian moon is covered in ice that reflects sunlight similar…
