<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Sun | smithsonianmag.com</title><link>https://www.smithsonianmag.com/rss/tag/sun/</link><description>RSS feed for Sun</description><atom:link href="https://www.smithsonianmag.com/rss/tag/sun/" rel="self"/><language>en</language><lastBuildDate>Fri, 04 Sep 2026 18:48:20 +0000</lastBuildDate><item><title>After an Eight-Year Journey, Two Spacecraft Have Begun Their Arrival to Mercury, the Inner Solar System's Most Mysterious Planet</title><link>https://www.smithsonianmag.com/smart-news/after-an-eight-year-journey-two-spacecraft-have-begun-their-arrival-to-mercury-the-inner-solar-systems-most-mysterious-planet-180989458/</link><description>The BepiColombo mission, by the European Space Agency and the Japan Aerospace Exploration Agency, is only the third to study our smallest planetary neighbor</description><pubDate>Fri, 04 Sep 2026 18:48:20 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/after-an-eight-year-journey-two-spacecraft-have-begun-their-arrival-to-mercury-the-inner-solar-systems-most-mysterious-planet-180989458/</guid><enclosure length="686294" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/S5B7AQ_n4uVEthi9MGd_sBFoluM=/420x240/filters:focal(750x500:751x501)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/31/eb/31ebdfc9-0df0-4f8b-9103-77d6dfdb4483/smithsonian_feature_images_15.png"/></item></channel></rss>