On 9 May there will be a rare transit of Mercury, when the smallest planet in our Solar System will pass directly between the Earth and the Sun. The last time this happened was in 2006, and the next two occasions will be ...
Of the hundreds of moons in our solar system, Titan is the only one with a dense atmosphere and large liquid reservoirs on its surface, making it in some ways more like a terrestrial planet.
Five years after the last NASA astronauts flew from Cape Canaveral, Florida, to the International Space Station, a new group is preparing for a trip, this time on a private spacecraft.
British astronaut Tim Peake ran a marathon in space in record time on Sunday, strapped into a treadmill on the International Space Station as thousands ran the London Marathon below.
Now that scientists have confirmed the existence of gravitational waves, a NASA team is set to search for a predicted signature of primordial gravitational waves that would prove the infant universe expanded far faster than ...
Japan's space agency has abandoned its efforts to restore the operations of a multimillion-dollar satellite that was to probe the mysteries of black holes using X-ray telescopes.
Russia launched the first rocket from its new Vostochny cosmodrome on Thursday, with President Vladimir Putin hailing the event after dressing down officials over a delay caused by a technical glitch.
NASA's Curiosity Mars rover has nearly finished crossing a stretch of the most rugged and difficult-to-navigate terrain encountered during the mission's 44 months on Mars.