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“Exoplanets”

Jul 23, 2015 01:10 PM ET // Irene Klotz
NASA’s Kepler space telescope has found the closest match yet to a world that is similarly sized to Earth and circling a sun-like star at the right distance for liquid surface water, a condition believed to be necessary for life, scientists said Thursday.
Jul 23, 2015 09:00 PM ET // Ian O'Neill
Thursday was a red letter day for exoplanet astronomers -- it was the day that marked the announcement of the discovery of Kepler-452b, an alien world that possesses more Earth-like traits than any exoplanet discovered before it.
Jun 25, 2015 05:47 PM ET // Irene Klotz
A planet about the size of Neptune but situated 33 times closer to its parent star than Earth orbits the sun is losing its atmosphere, forming a fat, comet-like tail in the process.
Jun 15, 2015 07:03 PM ET // Ian O'Neill
Many thunderstorms in Saturn's atmosphere could be driving the gas giant's vast polar cyclones, according to new simulations inspired by observations from NASA's Cassini spacecraft.
Jun 11, 2015 02:10 PM ET // Ian O'Neill
Although our solar system doesn't contain gas giants with thick atmospheres enriched with helium, observations by NASA's Spitzer Space Telescope suggests the galaxy may be strewn with these planetary oddities.
May 26, 2015 01:02 PM ET // Ian O'Neill
The stellar runts of the galaxy probably aren't so great for nurturing Earth-like worlds, say scientists running new simulations of the formation of planets around a variety of stars.
May 13, 2015 08:06 AM ET // Ian O'Neill
By tracking the phases of six exoplanets, astronomers have tracked their daily weather cycles for the first time.
May 5, 2015 10:20 AM ET // Ian O'Neill
Observations by NASA's Spitzer Space Telescope have revealed wild atmospheric changes on a well studied exoplanet -- changes that could be driven by extreme volcanic activity.
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