Search Results for: exoplanet
371 results
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AstronomyThe first radiation belt outside the solar system has been spotted
Encircling a Jupiter-sized body about 18 light-years from Earth, the radiation belt is 10 million times as bright as the ones around Jupiter.
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AstronomyIn 2022, the James Webb Space Telescope brought us new views of the cosmos
Science News looks back at some of the most stunning images from the James Webb telescope’s first year in space.
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AstronomyThe James Webb telescope spotted CO2 in an exoplanet’s atmosphere
The first definitive detection of the gas on a world in another solar system paves the way for detections in planets that are more Earthlike.
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AstronomyThe James Webb telescope is getting glimpses of small, far-off planets
Hints of one exoplanet atmosphere’s chemical makeup and the discovery of a planet orbiting another star are two of the telescope’s early successes.
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AstronomyHere’s the James Webb telescope’s first direct image of an exoplanet
Along with spying its first exoplanet, the James Webb telescope got its first direct spectrum of an object orbiting a star in another solar system.
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AstronomyMini-Neptunes may become super-Earths as the exoplanets lose their atmospheres
Starlight is eroding the atmospheres of a handful of gassy exoplanets that are a bit smaller than Neptune, gradually exposing the rocky cores within.
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Planetary ScienceWhy you shouldn’t use magnets when looking for meteorites
A popular tool for identifying meteorites can overwrite records of magnetic fields stored within the space rocks.
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So much of science is looking and seeing
Editor in chief Nancy Shute discusses the marvels of looking and seeing in science, from peeks into outer space to 3-D visualizations of protein structures.
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Planetary ScienceMethylated gases could be an unambiguous indicator of alien life
On Earth, methylated gases are produced by organisms cleaning up their environment — and by little else. The same might be true on some exoplanets.
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AstronomyNASA’s exoplanet count surges past 5,000
With a new batch of 60 confirmed exoplanets, the number of known worlds in our galaxy reaches another milestone.
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Planetary ScienceOxygen-rich exoplanets may be geologically active
Experiments show that rocks exposed to higher concentrations of oxygen have a lower melting temperature than rocks exposed to lower amounts.
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AstronomyThe first planet found by the Kepler space telescope is doomed
The exoplanet dubbed Kepler 1658b is spiraling toward its host star and will meet a fiery death in less than 3 million years.