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Canadian astronaut Chris Hadfield gives a thumbs-up after a successful parachute landing in Kazakhstan. Photograph: Nasa handout/Reuters

The first Canadian astronaut to command the International Space Station landed safely in Kazakhstan with two crewmates today, wrapping up a five-mo(...)

Two Nasa astronautshave successfully repaired an ammonia leak in the cooler system of the International Space Station. Photograph: Nasa

A pair of spacewalking astronauts wrapped up a hastily planned repair job yesterday to replace a suspect coolant pump needed to keep the Intern(...)

Two astronauts will make a  spacewalk to try to fix an ammonia leak in the International Space Station’s power system. Photograph: Nasa handout

Two astronauts will make a hastily-planned spacewalk to try to fix an ammonia leak in the International Space Station’s power system. Off(...)

For a man who has just been introduced as a modern Isambard Kingdom Brunel or Henry Ford, the 41-year-old Elon Musk looks nervous and hesitant (...)

Apollo 11 astronaut Neil Armstrong on the lunar surface on July 20th, 1969... or not, according to the conspiracy theorists. Photograph: AP/Nasa/Buzz Aldrin

You could view the recent survey by Public Policy Polling, a respected US organisation, as one of those proverbial glasses that is either half-(...)

Artist’s concept showing Nasa’s twin Voyager spacecraft exploring a turbulent region of space known as the heliosheath, the outer shell of the bubble of charged particles around the sun. Photograph: Nasa

There is no dispute that the little spacecraft Voyager 1 has boldly gone w(...)

This artist's concept shows Nasa's Voyager 1 spacecraft exploring a new region in the solar system called the ‘magnetic highway’. After 33, NASA's twin Voyager spacecraft are still going strong and sending home information. Voyager 1, launched in 1977 to explore the outer planets, has passed into a new region on its way out of th esolar system, scientists said .

A space probe launched 35 years ago has become the first man-made object to leave the solar system, scientists said today. Voyager 1 is (...)

DICK AHLSTROM Science Editor Dust drilled from a Martian rock confirms that conditions on the Red Planet once included all the ingredient(...)

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