The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

Extraterrestrials have issued a stark warning to mankind that we risk annihilating our planet in a stunning UFO revelation, which researchers are hailing as "first contact." The ominous alert from ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...