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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>James Webb Space Telescope | smithsonianmag.com</title><link>https://www.smithsonianmag.com/rss/tag/james-webb-space-telescope/</link><description>RSS feed for James Webb Space Telescope</description><atom:link href="https://www.smithsonianmag.com/rss/tag/james-webb-space-telescope/" rel="self"/><language>en</language><lastBuildDate>Wed, 05 Aug 2026 20:51:47 +0000</lastBuildDate><item><title>Neptune May Have Once Witnessed a Lunar Massacre That Turned Its Original Moons 'Inside Out'</title><link>https://www.smithsonianmag.com/smart-news/neptune-may-have-once-witnessed-a-lunar-massacre-that-turned-its-original-moons-inside-out-180989266/</link><description>A new study identifies an unexpected mineral in two of the planet’s inner moons, pointing to a destructive past in which a large object got pulled into the system and obliterated the former, larger satellites</description><pubDate>Wed, 05 Aug 2026 20:51:47 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/neptune-may-have-once-witnessed-a-lunar-massacre-that-turned-its-original-moons-inside-out-180989266/</guid><enclosure length="42558" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/XbULV1Ntb8bXfqSxepVXnn5W-DY=/420x240/filters:focal(700x373:701x374)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/ec/10/ec10052e-b603-4a08-b51e-49e8ad05ac32/brown_mike-neptune-inner-moons-news-webmax-1400x800.jpg"/></item><item><title>In a First, Astronomers May Have Spotted a Supermassive Black Hole That Wandered to the Edge of Its Galaxy</title><link>https://www.smithsonianmag.com/smart-news/in-a-first-astronomers-may-have-spotted-a-supermassive-black-hole-that-wandered-to-the-edge-of-its-galaxy-180989233/</link><description>These giant celestial objects have mostly been identified at the centers of galaxies, where they're known to reside. But a recently discovered one—found because of the light emitted while it snacked on a star—appears to be more than 30,000 light-years from its host galaxy's heart</description><pubDate>Tue, 04 Aug 2026 16:16:17 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/in-a-first-astronomers-may-have-spotted-a-supermassive-black-hole-that-wandered-to-the-edge-of-its-galaxy-180989233/</guid><enclosure length="510994" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/UKdxaBmwpqihGkyLRoFNPTrSMeo=/420x240/filters:focal(1908x1072:1909x1073)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/c1/61/c1611da3-9181-4540-b061-b52833e09e8c/pia22355.jpg"/></item><item><title>Astronomers Noticed a Mysterious Spot Appearing in Telescope Images. 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The James Webb Space Telescope Just Found Its Atmosphere</title><link>https://www.smithsonianmag.com/smart-news/this-giant-planet-survived-the-death-of-its-star-the-james-webb-space-telescope-just-found-its-atmosphere-180989077/</link><description>New observations of WD 1856 b, a gas giant closely orbiting a white dwarf, offer a preview of what could happen to Jupiter and Saturn after the sun dies in about five billion years.</description><pubDate>Tue, 07 Jul 2026 19:09:34 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/this-giant-planet-survived-the-death-of-its-star-the-james-webb-space-telescope-just-found-its-atmosphere-180989077/</guid><enclosure length="3446147" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/z_V2yVv16vLjWXpwhWdlNG5nb_4=/420x240/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/2d/c6/2dc66728-c6a9-481f-9ac2-582ed1f62ca5/stsci-01kv8smvyfk67j7rprw1hb0sks.jpg"/></item><item><title>A Rare Comet Made History as the Third Known Interstellar Object to Fly Through Our Solar System. 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