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At about 600 million years after the Big Bang, they're not the oldest galaxies the telescope has spotted. But they appear as developed as our Milky Way — far further along than researchers expected.
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The exoplanet was found using a satellite and spectrography. It has a similar size as Earth, but is much hotter and completes its orbit around its star in two days.
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One year ago, on Christmas Day, the James Webb Space Telescope was launched. Since it began collecting data, it has captured - in stunning detail - previously unobservable stars, planets and galaxies.
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Scientists studying a gas giant planet have found that it's partly cloudy and that its atmosphere gets altered by starlight from its host star.
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Galaxies that existed soon after the Big Bang turn out to be surprisingly bright, a discovery that's both thrilled and puzzled scientists who study how the universe evolved over time.
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The James Webb Space Telescope has captured NASA's most detailed image of the Pillars of Creation that is helping scientists better understand how stars form.
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“We’ve never seen Jupiter like this. It’s all quite incredible,” said planetary astronomer Imke de Pater, of the University of California, Berkeley, who helped lead the observations.
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Software developer John Christensen coded an app to show you just how far NASA innovation has come since Hubble.
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Scientists have not been able to pinpoint the exact location of the radio waves yet.
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The $10 billion telescope is nearly ready to begin capturing images that scientists hope will help uncover the mysteries of the universe — and scope out other possible habitable planets.