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Feb. 22, 2013

Russia Meteor Renews Focus on Asteroid Threats

Astronomers weigh in on how to keep the planet safe from near-Earth objects.

meteor, asteroid, space junk, collision, space rock, debris, explosion, planetary defense, near-earth objects

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

Apr. 27, 2012

Mining Quarries Millions of Miles from Earth

A company aims to expand the world’s natural resource base by mining asteroids.

space mining, space, asteroid, excavation, mining, natural resources, resources

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

Jan. 04, 2013

A Journey to the Oort Cloud, Where Comets Are Born

The comet ISON, discovered by two amateur astronomers last year, will zoom past the Earth next fall. But where did it come from?

comet, meteor shower, asteroids, oort cloud, fraknoi

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

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All About Exercise

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Mystery Box

Myths and Tips on Keeping Your Cool This Summer

Think caffeine dehydrates you? Or that you can't get too much water on a hot day? Douglas Casa, of the Korey Stringer Institute, sets the record straight.

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