CAPE CANAVERAL Fla. (Reuters) - The chance of a city-killing asteroid striking Earth is higher than scientists previously believed, a non-profit group building an asteroid-hunting telescope said on Tuesday.
Grabbing a small, water-rich asteroid and returning it to a safe orbit around the moon is the new NASA mission concept, announced this week, generating excitement and controversy. If the space agency approval
Astronomers have found possible evidence for 461 new planets outside our solar system, using measurements from Nasa's planet-hunting satellite, Kepler. The data has also been used by scientists to predict
An ancient network of rivers on Mars once made parts of the planet habitable for microbial life, according to the latest analysis from Nasa's Curiosity rover. Rock dust drilled from sediments in the giant
From intrepid turtles to pioneering jellyfish, a host of animals have made their mark as the unsung heroes of space exploration. Early animal astronauts were used to test the effects of zero gravity and
Nasa engineers have overcome a computer glitch that shut down the space agency's car-sized Mars rover, Curiosity, earlier this week. The $2.5bn rover went into a precautionary "safe mode" on Sunday, when