Tag Archives: planets

TESS helps scientists find a super-cool super-Earth

Astronomers are sharing a flood of findings from NASA’s Transiting Exoplanet Survey Satellite, or TESS, including the detection of a potentially habitable super-Earth far beyond our solar system. The planet is said to circle an M-type dwarf star called GJ … Continue reading

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A new search for more planets at Alpha Centauri

The European Southern Observatory and the billionaire-backed Breakthrough Watch program say they have achieved first light with a new observing instrument designed to spot super-Earths in Alpha Centauri, the nearest star system to our own. The NEAR instrument, which takes … Continue reading

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Could Barnard’s Star harbor an icy home for life?

Where’s the nearest exoplanet with conditions that are right for life? Over the past couple of years, astrobiologists have talked up Proxima Centauri b, which is sitting just 4.2 light-years away. But Villanova University astrophysicist Edward Guinan favors a world that’s … Continue reading

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Red dwarfs seem to wipe out life’s necessities

Red dwarf stars have been seen as the biggest potential frontier for alien life, in part because they’re the most common stars in our galaxy. But observations made using the Hubble Space Telescope suggest that the frontier might turn out … Continue reading

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TESS mission adds ‘sub-Neptune’ to discovery list

Less than a year after NASA’s TESS spacecraft was launched, the scientists behind the mission have unveiled their third confirmed planet, a weird alien world that’s between Earth and Neptune in size. And hundreds of additional potential finds are in the pipeline. … Continue reading

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Climate analysis checks for most livable exoplanets

If you had to pick a place to set up shop amid the seven planets in the TRAPPIST-1 star system, 39 light-years from Earth, the fourth rock from that alien sun is the best place to start. That Earth-sized world, … Continue reading

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Scientists report super-Earth at Barnard’s Star

The astronomical team that found the nearest exoplanet at Proxima Centauri has done it again with the reported detection of a super-Earth orbiting Barnard’s Star, the second-closest star system to our own. The discoverers acknowledge, however, that they’re not completely … Continue reading

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