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“Planets”

Jan 27, 2015 11:28 AM ET // Ian O'Neill
Astronomers have found an ancient, more compact version of our solar system, which could have implications for the search of extraterrestrial life.
Jan 23, 2015 12:10 PM ET
Ceres is an embryonic planet that had the misfortune of seeing Jupiter crush its dreams of becoming a legit planet on its own. But the more scientists learn about the plucky dwarf, the more they like it.
Jan 16, 2015 05:49 PM ET // Irene Klotz
A new study suggests that at least two more planets are circling the sun far beyond Pluto’s orbit.
Jan 7, 2015 02:50 PM ET // Mike Wall, Space.com
NASA's Kepler spacecraft has discovered its 1,000th alien planet, further cementing the prolific exoplanet-hunting mission's status as a space-science legend.
Jan 5, 2015 03:26 PM ET // Ian O'Neill
After carefully measuring the masses of small, rocky exoplanets, astronomers have come to the conclusion that our solar system may not be unique.
Dec 29, 2014 05:20 PM ET // Charles Q. Choi, SPACE.com
Venus may have once possessed strange oceans of carbon dioxide fluid that helped shape the planet's surface.
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.
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