<?xml version="1.0" encoding="utf-8"?> <rss version="2.0"> <channel> <title><![CDATA[Videos Tagged with existence]]></title> <link>https://theworldwatch.com/tags/existence/</link> <description><![CDATA[]]></description> <lastBuildDate>Wed 20 May 2026 11:32:33 +0200</lastBuildDate> <item> <title><![CDATA[ Where are the aliens? This is one of the most fundamental questions. ]]></title> <link>https://theworldwatch.com/videos/1615850/where-are-the-aliens-this-is-one-of-the-most-fundamental-questions/</link> <description><![CDATA[ <a href="https://theworldwatch.com/videos/1615850/where-are-the-aliens-this-is-one-of-the-most-fundamental-questions/"><img src="https://theworldwatch.com/contents/videos_screenshots/1615000/1615850/320x180/1.jpg" border="0"><br>Astrophysicists have a new, and slightly terrifying, explanation for the Fermi paradox, or the question of why we have found no evidence of intelligent extraterrestrial life.</a> ]]></description> <pubDate>Wed 20 May 2026 08:32:03 +0200</pubDate> <guid>https://theworldwatch.com/videos/1615850/where-are-the-aliens-this-is-one-of-the-most-fundamental-questions/</guid> </item> </channel> </rss>