The former president joked during an interview with YouTuber Brian Tyler Cohen about the extraterrestrials, saying they're real but he hasn't seen them.
In Carlsbad Caverns, researchers found glowing cyanobacteria that thrive in darkness, suggesting new ways to search for alien ...
Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...
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