More from Rachel Courtland
Explore the latest news, articles and features
Space
First gravity map of Moon’s far side unveiled
News
Space
Satellite crash prediction is plagued with uncertainty
News
Space
Satellite collision creates copious space junk
News
Space
Meet the scoundrels of astronomy
News
Space
‘Marsupial’ robots could roam Mars and the Moon
News
Life
Should Mars be treated like a wildlife preserve?
News
Space
Mars rover recovers after bout of amnesia
News
Space
Google Earth provides dizzying 3D views of Mars
News
Space
New lakes materialise on Saturn moon
News
Space
Gallery: Should Europa or Titan be explored first?
News
Space
Where do comets come from?
Features
Earth
Could biodiesel power future rockets?
News