Have you ever wondered what you would do if a) aliens were real and b) they decided to pay us a visit? How would we and our fellow Alabamians fare during an invasion? World UFO Day is July 2, so ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Imagine you’re an alien astronomer, pointing your telescope toward our solar system, listening for signs of intelligent life. Would you hear us? For decades, scientists have wondered the same thing. A ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

A NASA-backed study reveals that alien civilizations could detect human signals sent to spacecraft. Radio transmissions aimed at Mars rovers and orbiters aren't fully contained, creating a 'spillover' ...

A new study found that the radar systems used by civilian airports and military operations may be potentially revealing Earth's existence to "extraterrestrial observers", or aliens. Radar systems emit ...

A Pentagon study released Friday that examined reported sightings of UFOs over nearly the last century found no evidence of aliens or extraterrestrial intelligence, a conclusion consistent with past U ...

The search for life beyond Earth requires expanding the very definition of what life can be. Some exoplanets, especially those orbiting cooler red dwarfs, might host purple plant life rather than the ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...