How Scientists Hunt for Alien Civilizations

How Scientists Hunt for Alien Civilizations

Researchers scan the cosmos for signs of intelligent life by detecting unusual signals that do not appear to have natural origins. Radio waves are among the most studied frequencies, as they can travel vast distances through space with minimal interference. Scientists use powerful radio telescopes, such as those at the Green Bank Observatory in the United States and the MeerKAT array in South Africa, to monitor the sky for structured signals tha…