Triton is the largest of Neptune's 13 moons and Nasa says that is has not been studied in 16 years. Nasa is using its flying observatory Sofia for this mission.
Vice President Mike Pence has said that the Trump administration is intent on sending Americans to the Moon.
Orbiting space station would allow astronauts carry out explorations of the Red Planet.
The skyscraper-sized formations are made entirely of methane, says Nasa.
The US space agency said it wanted to expand human presence into the solar system.
Planetary gravity maps developed by Nasa can be used to find the density of any rocky planet.
The tunnels - known as lava tubes - could even help in the search for alien life on Mars.
European Space Agency astronaut Paolo Nespoli captured the astonishing footage of the Northern Lights.
The melt occurred despite having summer conditions that were not unusual.
Scientists have discovered huge deposits of ice on the closest planet to the Sun.
Vibration machines that were first built for Nasa are now standard for most manufacturing industries.
The printer used is a hybrid mix of additive manufacturing and machining equipment.
The spacecraft's safe return marked the end of SpaceX's 12th resupply mission to the International Space Station.
Planet Nine may be coming to make sure we don't have to buy Christmas presents.
The mission is reportedly scheduled to be launched no later than 2025.
The star hosting the three newly-discovered exoplanets is the closest one to Earth found to date.
The pioneering spacecraft has revolutionised our understanding of the solar system.
They are part of a study to understand the psychological impacts of a long-term manned mission to Mars.
WASP-12b lies 1,400 light years from Earth and is twice the size of Jupiter.
'All six wheels have more than enough working lifespan remaining to get the vehicle to all destinations planned'.
It will be 2 dimensional, a yard across, and half the thickness of human hair.
This year's summer Icebridge mission started on 25 August and will go on till 21 September.