Scientist was not so long ago ripping solos at local shows in Tucson, Arizona
Fears that a Mars rover carrying contaminants from Earth could pollute the water streaks mean investigation may have to wait
"Liquid water has been found on Mars."
Scientists reported that Mars appears to have flowing water
The full details and implications of the findings to be set out in a press conference
The actual event will get underway at 4.30pm UK time, though details of the announcement are set to be revealed before that
Speculation has been rife ahead of Monday's announcement
Three of those speaking at Nasa’s press event are also authors on a major paper to be delivered at a conference this week
Conjecture over US space agency's planned announcement focuses on possibility of water on the Red Planet
Despite Nigel Farage's prediction that the UK Independence party will cause an “earthquake” in British politics at the European Parliament elections, Britons give Ukip as much chance of winning as finding life on Mars.
Tombs: this weird restaurant in Ahmedabad, India is famous for its milk tea and the tombs between the tables. The owner, who claims to have opened the restaurant 40 years ago, says he does not know who is buried there.
Scientists say it's too early to say whether Ceres could support microbial life, but a visit from the Dawn spacecraft in early 2015 should provide answers
Whittled down from 200,000 applicants, meet three of the intrepid Brits hoping to take that giant leap for mankind
The project hopes to establish human life on Mars by 2025, with the 'rigorous' selection process set to begin this year, but many hurdles remain in place
As China eyes a manned mission to the Moon, Nasa’s Curiosity has found proof that there was once water – and thus potentially simple life – on the Red Planet
The 600lb robot succesfully detached from the Chang'e-3 lander this weekend