Astronomers have begun searching for exoplanets – planets orbiting stars at distances where liquid ...

The United States government keeps extensive records of UFO sightings; other countries tend to ...

Astronomers have used powerful radio telescopes since 1960 to search for alien signals that ...

Area 51 has long been at the heart of alien fan theories and UFO ...

If there is extraterrestrial life out there, they could possibly communicate with us via ...