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All articles by Pete Spotts
Millionaire plans to send couple to Mars in 2018. Is that realistic? (+video)
Little telescope to hunt big game: hard-to-see near-Earth asteroids
How dangerous are near-Earth asteroids? 5 key questions answered.
Russian asteroid highlights astronomers' challenge: predicting such space objects
As asteroid zips past Earth, exploding meteor hints at what could have been (+video)
On thin ice: As Arctic Ocean warms, a scramble to understand its weather
Snowfall forecast for Blizzard of 2013 just got bigger. What changed?
Winter storm update: Massive nor'easter could drop 36 inches in spots
Earth-buzzing asteroid big enough to level a city, found by amateurs
Are human-caused and natural global warming different? Study says yes.
Northern winter not as cold as expected? It could be urban 'waste heat'
Mass extinction? Man may still have time to catalog Earth's species.
NIH should retire most chimpanzees from medical research, panel says (+video)
Astronomers report largest structure in universe. Will it upend theories?
How hot was 2012? Hottest on record in US, by a long shot (+video)
What's going on around Andromeda? Curious structure puzzles scientists.
Four planets in 'habitable zones' spotted within spitting distance of Earth
How reliable are drought predictions? Study finds flaw in popular tool.
Surging storms: Can the US adapt in time to avert coastal damage?
What sets newly found super Earth apart? It's simple as night and day. (+video)
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