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Nov 20, 2015 06:00 PM ET // Patrick J. Kiger
NASA's OCO-2 satellite may help answer question of how much carbon oceans and forests can store.
Oct 9, 2015 01:46 PM ET // Tia Ghose, LiveScience
Earth's inner core formed between 1 billion and 1.5 billion years ago, and this freezing heart of the planet powers its protective magnetic field. Continue reading →
Sep 28, 2015 07:00 AM ET // Patrick J. Kiger
The scars left by cataclysms look oddly beautiful from the air.
Jul 31, 2015 09:44 AM ET // Charles Choi, LiveScience
Earth's magnetic field, which protects the planet from harmful blasts of solar radiation, is much older than thought.
Jun 30, 2015 11:25 AM ET // Joe Rao, Skywatching Columnist
July will arrive a little late this year -- one second late, to be exact -- and we have the moon to blame.
Mar 19, 2015 12:15 PM ET // Elizabeth Howell, Livescience
The second known natural quasicrystal was found inside a meteorite that crashed to Earth in Russia.
Feb 9, 2015 11:30 AM ET // Irene Klotz
A company is planning to offer weather forecasts via a system of small satellites that will watch as GPS spacecraft pass through Earth's orbital horizon.
Jan 20, 2015 01:30 PM ET // Stuart Gary, ABC Science Online
Nitrogen may have arrived on Earth in ancient meteorites after the planet had already formed.
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