NASA

In order, to monitor comets and asteroids and prepare flights to other planets

The 5.6-tonne satellite made by Airbus and Thales Alenia Space (TAS) will remain in orbit for at least 15 years

The upcoming test of the rover's endurance at Australia's Casey research station is its first trial in Antarctica

The asteroid, called Ryugu, may contain organic matter that may have contributed to life on Earth

Titan, with a diameter of 3,200 miles, is the solar system’s second-biggest moon behind Jupiter’s Ganymede

The icy rock was visited by the NASA spaceship New Horizons in January this year

The mission took the fridge-sized probe some 300 million kilometers from Earth

First all-electric experimental aircraft, the X-57 “Maxwell”

Voyager 1 and Voyager 2 were launched in 1977, designed for five-year missions

NASA has picked Boeing and Elon Musk’s SpaceX as the main contractors to build rocket-and-capsule