<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Neptune | smithsonianmag.com</title><link>https://www.smithsonianmag.com/rss/tag/neptune/</link><description>RSS feed for Neptune</description><atom:link href="https://www.smithsonianmag.com/rss/tag/neptune/" 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>Neptune's Moon Nereid Might Be the Sole Intact Survivor of an Ancient Lunar Collision</title><link>https://www.smithsonianmag.com/smart-news/neptunes-moon-nereid-might-be-the-sole-intact-survivor-of-an-ancient-lunar-collision-180988785/</link><description>A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, kicking Nereid outward and destroying the planet's other original lunar companions</description><pubDate>Thu, 21 May 2026 20:16:29 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/neptunes-moon-nereid-might-be-the-sole-intact-survivor-of-an-ancient-lunar-collision-180988785/</guid><enclosure length="911502" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/ovW9PXzCjSDDOGwILumIvq6f5gs=/420x240/filters:focal(750x500:751x501)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/5d/cb/5dcb8462-81b9-4b5c-9348-ff319c096b60/neptune-main.png"/></item><item><title>To Keep the Voyager 1 Spacecraft on Its Interstellar Journey, NASA Turned Off One of Its Few Remaining Instruments</title><link>https://www.smithsonianmag.com/smart-news/to-keep-the-voyager-1-spacecraft-on-its-interstellar-journey-nasa-turned-off-one-of-its-few-remaining-instruments-180988608/</link><description>The probe launched almost 50 years ago and is the farthest human-made object from Earth. Shutting down one of its scientific devices will help it conserve energy and continue traveling toward the edge of the solar system</description><pubDate>Fri, 24 Apr 2026 18:59:13 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/to-keep-the-voyager-1-spacecraft-on-its-interstellar-journey-nasa-turned-off-one-of-its-few-remaining-instruments-180988608/</guid><enclosure length="2113278" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/PwLP2et_O4UBjgY4lfM_fPLHP-8=/420x240/filters:focal(4000x2286:4001x2287)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/dd/ff/ddfff61b-93b0-41c8-8ea7-d1adc2231888/1_voyager_artist_concept.jpg"/></item><item><title>Don’t Miss These Ten Celestial Events in 2026, From Aligned Planets to a Total Solar Eclipse</title><link>https://www.smithsonianmag.com/science-nature/dont-miss-these-ten-celestial-events-in-2026-from-aligned-planets-to-a-total-solar-eclipse-180987931/</link><description>The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since April 2024</description><pubDate>Tue, 30 Dec 2025 13:30:00 +0000</pubDate><guid>https://www.smithsonianmag.com/science-nature/dont-miss-these-ten-celestial-events-in-2026-from-aligned-planets-to-a-total-solar-eclipse-180987931/</guid><enclosure length="1282630" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/qpU7zVFc7w_92j5PNm48JxKCSfA=/420x240/filters:focal(1104x736:1105x737)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/e7/b8/e7b803ab-328c-4fad-b8bb-ff1cc3125128/friends_at_the_beach.jpg"/></item><item><title>Astronomers Discover 'Ammonite,' a Mysterious Distant Object That Could Shed Light on Our Solar System's History</title><link>https://www.smithsonianmag.com/smart-news/astronomers-discover-ammonite-a-mysterious-distant-object-that-could-shed-light-on-our-solar-systems-history-180987019/</link><description>The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and throws a wrench in the Planet Nine idea</description><pubDate>Tue, 22 Jul 2025 17:25:27 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/astronomers-discover-ammonite-a-mysterious-distant-object-that-could-shed-light-on-our-solar-systems-history-180987019/</guid><enclosure length="430364" type="image/gif" url="https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/d3/09/d3095bba-143f-4f4b-ba51-7b40751f1f93/20250715huang_fig3.gif"/></item><item><title>Check Out Neptune's Beautiful Auroras, Captured for the First Time by the James Webb Space Telescope</title><link>https://www.smithsonianmag.com/smart-news/check-out-neptunes-beautiful-auroras-captured-for-the-first-time-by-the-james-webb-space-telescope-180986321/</link><description>Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an observation of Neptune's lights remained elusive for decades</description><pubDate>Thu, 27 Mar 2025 18:07:13 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/check-out-neptunes-beautiful-auroras-captured-for-the-first-time-by-the-james-webb-space-telescope-180986321/</guid><enclosure length="661932" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/8RWTctFdism44eEuxUcsR3Ge65s=/420x240/filters:focal(420x212:421x213)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/84/5c/845c1766-89e5-451c-acbc-564e714f5c60/neptune_aurora.png"/></item><item><title>Seven Planets Will Gather in the Night Sky This Weekend. Here's What to Expect During the Rare Alignment</title><link>https://www.smithsonianmag.com/smart-news/seven-planets-will-gather-in-the-night-sky-this-weekend-heres-what-to-expect-during-the-rare-alignment-180986134/</link><description>While such a lineup is uncommon, the event might not look exactly how you’re imagining it</description><pubDate>Thu, 27 Feb 2025 20:54:01 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/seven-planets-will-gather-in-the-night-sky-this-weekend-heres-what-to-expect-during-the-rare-alignment-180986134/</guid><enclosure length="19600500" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/0W-xfqyBfEqE9RnkjmEJNvRTO6A=/420x240/filters:focal(3306x1083:3307x1084)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/ae/80/ae80c929-5ced-4ba2-811f-00af05d3fc49/celebrating_matariki_-_maori_new_year_-_flickr_-_geoff_j_mckay.jpg"/></item><item><title>The Six Most Amazing Discoveries We’ve Made About Neptune</title><link>https://www.smithsonianmag.com/science-nature/the-six-most-amazing-discoveries-weve-made-about-neptune-180985333/</link><description>Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space telescopes</description><pubDate>Tue, 05 Nov 2024 13:00:00 +0000</pubDate><guid>https://www.smithsonianmag.com/science-nature/the-six-most-amazing-discoveries-weve-made-about-neptune-180985333/</guid><enclosure length="347677" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/xsMS72w3HTxVhVJHjIBLJTTvVBE=/420x240/filters:focal(800x602:801x603)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/9b/18/9b18984c-3b32-454b-805f-ea596a685f96/main_web_neptune_voyager2_color_calibrated.jpg"/></item><item><title>Neptune's Clouds Have Disappeared, and the Sun Might Be Responsible</title><link>https://www.smithsonianmag.com/smart-news/neptunes-clouds-have-disappeared-and-the-sun-might-be-responsible-180982766/</link><description>Scientists have linked shifts in the distant planet's cloud coverage to the ever-oscillating solar cycle, which is due to peak soon</description><pubDate>Tue, 22 Aug 2023 15:21:45 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/neptunes-clouds-have-disappeared-and-the-sun-might-be-responsible-180982766/</guid><enclosure length="258997" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/afiMsTN3rs37j800QMz0bdtWAg8=/420x240/filters:focal(1094x1094:1095x1095)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/b8/8d/b88dd61b-4a83-4dab-abd9-de0566176477/pia01492orig.jpg"/></item><item><title>NASA Hears 'Heartbeat' From Voyager 2 After Losing Touch With the Distant Probe</title><link>https://www.smithsonianmag.com/smart-news/nasa-hears-heartbeat-from-voyager-2-after-losing-touch-with-the-distant-probe-180982638/</link><description>The space agency has been trying to contact the 46-year-old craft after accidentally causing its antenna to point two degrees away from Earth</description><pubDate>Tue, 01 Aug 2023 20:24:55 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/nasa-hears-heartbeat-from-voyager-2-after-losing-touch-with-the-distant-probe-180982638/</guid><enclosure length="29011" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/aPF46cfIKmdEMe-CgLL_7N_yAZY=/420x240/filters:focal(400x229:401x230)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/f2/cd/f2cde91e-c5e9-4ac9-92a8-7fafb79fd7d7/jpegpia17462_resize.jpg"/></item></channel></rss>