Astronomers have found a large planet, Kepler-452b, which they say is 'the closest twin to Earth'
'Ice mountains' reveal evidence of water on Pluto, as scientists begin downloading probe data
The UK has reversed its policy of unmanned space missions, meaning Britons can now become astronauts
Unmanned drones are becoming commonplace in a variety of industries across the globe
Conjunction of Venus and Jupiter will 'lift our attention away from our own little world into the enormous things beyond'
Extra second needed this summer to allow atomic time to synchronise with the Earth's rotation
Today's black supermoon will coincide with a solar eclipse, prompting a rash of amateur astronomy
Hack gave GCHQ and NSA access to billions of calls and mobile data, according to new Snowden leak
Don't panic: the asteroid will miss us by a comfortable 745,000 miles – but nothing will get closer until 2027
Mission will be like 'trying to balance a rubber broomstick on your hand in the middle of a wind storm'
Rumours circulating online suggested that a massive solar storm would lead to six days of darkness this month
Maiden flight of capsule that could help humans reach the Red Planet heralded as a 'landmark moment'
The tech giant has leased an airfield from Nasa as the space agency tries to reduce its footprint on earth
Five of the best viral videos of the week, hand-picked by our video partner 5by
Cargo rocket carrying supplies for astronauts on the International Space Station bursts into flames
Russia's space agency says it has discovered sea plankton in space – but Nasa isn't convinced
Space storm that narrowly missed Earth would have had a 'catastrophic effect' costing $2 trillion
UFO-shaped spacecraft could be critical for future manned mission to the red planet
'We have not seen anything like this before' say scientists, as they spot a bulge in planet's ring