Scientists have managed to calculate the mass using a new technique involving globular clusters.
ESA's Rosetta spacecraft has made a significant new discovery within the atmosphere of its new home.
The fascinating pictures are the most detailed views of Pluto we are going to get for a very long time.
New evidence has suggested that Mars may have once experienced frequent and destructive tidal waves.
A mysterious spike of methane picked up by the Curiosity rover two years ago has yet to reoccur.
The US space agency will be attempting to turn several more futuristic technology concepts into reality.
Despite being comparable in size to Pluto and Eris, this enigmatic world has yet to even be given a name.
The incredible new haul has more than doubled the total number of known extrasolar worlds to over 3,200.
The space agency will be revealing the latest findings of its Kepler Space Telescope tomorrow afternoon.
Astronomers have identified three new terrestrial worlds around a relatively close 'ultracool' star.
The impressive gold-coated mirror of the James Webb Space Telescope has been revealed in all its glory.
Scientists have been exploring ambitious new ways to effectively cool, rather than to warm up the planet.
Elon Musk's private space firm is aiming to land a spacecraft on the Red Planet within just two years.
Researchers have succeeded in enhancing the images taken of the ill-fated probe's final resting place.
Stephen Hawking's theory of energy being emitted by a black hole may finally earn him a Nobel Prize.
British astronaut Tim Peake has succeeded in running the London marathon while aboard the space station.
The British astronaut will be running the London marathon while aboard the International Space Station.
Astronomers have discovered what they believe is a potentially Earth-like world in a nearby solar system.
An upcoming NASA mission to Jupiter's icy moon is offering ESA a unique opportunity for exploration.
NASA's Cassini spacecraft has picked up particles of dust originating from outside our solar system.