More from Marcus Chown
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The planet that stalked the Earth
Features
Masters of space-time
Books & Arts
Quantum rebel
Features
Technology
ET first contact ‘within 20 years’
News
ET first contact ‘within 20 years’
News
A table-top test for dark energy?
News
Physics
Gravity test for string theory
News
Physics with swing
Books & Arts
Black holes drive speedy particles to new highs
News
Cosmic dark age found in shadows
News
Cosmic dark age found in shadows
News
Solar wind to shield Earth during pole flip
News