Using the James Webb Space Telescope, astronomers have investigated the giant exoplanet 29 Cygni b — work that could clarify the line between planets and stars.
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Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a new study using NASA’s Chandra X-ray Observatory. A paper describing the results published Monday in The Astrophysical Journal. Unlike in the new movie “Project Hail Mary,” this quieting […]
A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life.
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Astronomers have discovered an additional 100 new worlds in data collected by NASA’s exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.
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Astronomers have spotted two planets forming around a distant infant star, offering a time capsule into see what the solar system looked like billions of years ago.
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Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.
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These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.
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Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like rotten eggs.
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Astronomers have witnessed evidence of an extremely violent collision between planets, and it resembles the event in Earth’s history that created the moon.
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The world’s first commercial space telescope has released its first image as it begins its journey to help track nearby stars that might host habitable exoplanets.
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