Add Yahoo as a preferred source to see more of our stories on Google. On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials. They did this using ...

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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Early on the morning of August 10 last year, Sravani Vaddi, a postdoctoral researcher at the Arecibo Radio Telescope in Puerto Rico, was focused on observing a galaxy called NGC 7469 at 2 a.m. with ...