
The twin spacecraft Voyager 1 and Voyager 2 continue to explore the universe 45 years after launching from Earth and 22 light hours away from the planet.

The shuttle program, taking people for the first time to set foot on the Moon, launches a spacecraft approaching the Pluto, among NASA's most outstanding achievements in history.

Researchers hope the new map can support future Ganymede exploration missions, according to Space.com.

The US Air and Space Administration's Voyager spacecraft entered the interplanetary space last year, becoming the first artificial object to leave the solar system.