Alison Gibbings
Feb. 15, 2013
Tracking a Space Rock's Streak Past Earth
Asteroid 2012 DA14 spans half a football field, and will whiz by the Earth a mere 17,000 miles above us--closer than many satellites.
asteroid, space, deep impact, armageddon, flyby, near-earth object, meteor
Sep. 09, 2011
‘Move An Asteroid’ Competition May Help Protect Planet
This year’s ‘Move an Asteroid’ competition winner shares her idea.
space, neo, asteroid, planetary protection
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Michael Pollan Talks Plants and Food
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Ira Asks: How Do They Make Eyeglasses?
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