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“Planets”

Dec 19, 2014 12:13 PM ET
There are several ideas to explain the origin of life on Earth. A new one is so elegant and simple that it might change our whole perception of life. What if life is something matter just does, under the right conditions? Julian explains.
Dec 19, 2014 11:34 AM ET
Methane is such a promising sign for the existence of biological life that it's hard not to get excited when it's detected on Mars. But Amy Shira-Teitel runs down some other ways the gas could be observed on the Red Planet without their being life.
Dec 16, 2014 08:00 PM ET // Ian O'Neill
Every year, the Hubble Space Telescope seems to revolutionize our understanding of our vast and beautiful universe. 2014 was no different.
Dec 9, 2014 11:23 AM ET
New research suggests we might want to widen our search for Earth-like exoplanets. Younger stars, it turns out, are hot enough to support exoplanetary life farther away from a star than we thought.
Nov 30, 2014 03:48 PM ET // Nina Sen, Space.com Contributor
The photos capture Mars passing below two objects known as the Lagoon and Trifid nebulas, both in the constellation Sagittarius.
Nov 24, 2014 10:21 AM ET
With a few brief exceptions, NASA's New Horizons probe has been asleep since 2006 while it zooms toward Pluto. But it's almost time for the craft to wake up and dial in on the former planet. Amy tells us what the plucky probe will be studying.
Nov 21, 2014 12:17 PM ET
Our solar system has a handful of bodies exhibiting some strange, highly elliptical orbits. Are they being pulled by a massive planet WAY out there beyond Neptune? Amy Shira Teitel examines what might be causing these objects to behave so oddly.
Nov 18, 2014 09:10 AM ET // Stuart Gary, ABC Science Online
Eruptions could have kept planet warm enough for liquid water to intermittently flow across its ancient surface, suggests a new study.
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