Space
Mars landing sites for 2020 NASA mission down to the final three
At a meeting in California, NASA scientists whittled down the landing sites for its next rover - which will search for signs of life
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Earth
Secrets of Earth’s birth carried in lava jets from planet’s core
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Space
Magnetic meteorites narrow down solar system鈥檚 birthdate
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Space
NASA wants to put a lander on Europa鈥檚 surface to look for life
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Space
Glass from nuclear test site shows the moon was born dry
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Space
Space junk collector burns up after hitting snag in first test
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Physics
Sun’s rotation is slowed down by its own photons
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Humans
Old Scientist: Into the twilight zone of dubious causation
Regulars
Space
Tiny spacecraft could brake at exoplanet using alien starlight
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Earth
Earth鈥檚 water must have arrived here earlier than we thought
Our best theory said meteorites brought water to Earth 4.5 billion years ago, now it seems they struck far earlier, while our planet鈥檚 core was still forming
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Space
Curiosity finds Mars rock that may be a meteorite made from iron
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Space
Metal asteroid and Trojans selected for next NASA missions
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Earth
Large asteroid impacts may be rare, but we should be prepared
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Space
Fresh look at old data shows the sun is surprisingly sluggish
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