The world’s oldest map of the night sky was amazingly accurate. Newly discovered fragments of 2,200-year-old star coordinates—once thought lost—reveal the incredible skill of the ancient ...

Chang'e-4 consists of a lander and a rover, as well as a relay satellite, and its goal is to set down gently on the lunar far side. (See stunning pictures from the Chang'e-3 mission.) ...

Mykonos consists of seven main areas, with the town of Chora in the center of the west coast as the main commercial and tourist hub. The island's beaches are generally separated into northern and ...

On June 23, 1949, the XS-1, a rocket engine-powered spaceplane flying faster than the speed of sound, passed its 117th flight.

Satellite Frequencies, updated 11 January 2024 Transponder 24 Astra 2E (28.2° East) ...