Hansjürgen Köhler has been a volunteer UFO hunter for more than 50 years. He sees his work as scientific investigation, but sometimes also as caring for others.
Space.com on MSN
Artemis 2 astronauts return to Earth after historic moon mission
NASA's Artemis 2 astronauts came home April 10, wrapping up a historic mission that broke records and set the stage for even ...
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