Astronomers say three-star system could give clues to true nature of gravity.
Alma telescope captures dusty remains of recent supernova for first time.
Climbing robots with sticky lizard feet created to clean spacecrafts.
Quadrantids will be visible on 2 and 3 January in Northern Hemisphere.
Hubble telescope provides first accurate details of climate on GJ 1214b.
Rick Mastracchio and Michael Hopkins float out of International Space Station to replace a pump.
Scientists hope hi-tech sails will reduce amount of space junk in orbit.
Astronomers discover brightest and most distant supernovas to date.
Gaia to create most accurate map of the Milky Way.
The annual Geminid meteor shower was described as 'perfect' and 'phenomenal' this year.
Unmanned mission touches down on lunar surface two weeks after launch.
China's first robotic lunar rover to land on Saturday, with more missions planned in 2017.
London-based firm Inmarsat launches commercial I-5 F1 satellite into space as it expands mobile satellite services.
New planet, called HD 106906 b, is 11 times bigger than Jupiter.
Unmanned craft will release six-wheeled lunar rover onto moon's surface.
China could become first country to achieve soft landing on the moon since 1976.
Latest images boost faint hopes that comet Ison survived close encounter with the sun.
Astronomers hopeful Comet Ison survived perihelion with sun and will survive to light up skies again.
Satellites will collect geological data related to Earth's magnetic field, which may be about to change polarity.
An unexplained sphere described by Nasa as 'weird and freakish' with shooting jets of matter was spotted in the solar system.
P/2013 P5 was born 200 million years ago but has only just been captured by Pan-Starrs and Hubble Telescope.
India seeking to become first Asian nation to launch robotic spacecraft into orbit around Mars.
China's net oil imports increased to 6.3 billion barrels per day, according to US Energy Information Administration (EIA).
The sighting was made on 20 April this year but it was reported only last month.
The UFOs appeared in a recording made by the Space Station's observation cameras.
LADEE's £180m mission will last six months and end with probe crashing into Moon's surface.
The sighting during the game prompted viewers at the match to tweet photos of the unusual object with glowing lights.
The video was captured by four teenagers on Sunday, 25 August when they were playing with cameras.