Space
Cosmic dust grains found on city rooftops for the first time
Sifting through muck trapped in roof gutters in Paris, Oslo and Berlin yielded 500 tiny particles from the birth of the solar system 4.6 billion years ago
News
Earth
Moon-dust cake mix shows moon may have had water from the start
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Earth
Dinosaur-killing asteroid turned planet Earth inside-out
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Space
Mystery radio bursts may be pulsars bumping into asteroids
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Space
New NASA budget could put asteroid-grabbing mission in jeopardy
News
Earth
Asteroid assault on early planets was more like a gentle massage
News
Space
NASA probe about to leave for asteroid Bennu and bring bits home
News
Space
Missing craters on Ceres may have been smoothed by a mud facial
News
Space
Cosmic carve-up: Law and plunder on the final frontier
Features
Space
NASA approves new far-flung destination for Pluto space probe
Post-Pluto, the New Horizons spacecraft is now officially homing in on a primitive red object in the Kuiper belt
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Space
Asteroids keep their rings safe from gas giants鈥� clutches
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Space
Incoming asteroids could crumble harmlessly before they hit us
News
Space
Identity-crisis comet may really be closest asteroid to the sun
News
Earth
How two tiny dots defy the history of life and the solar system
Features