New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

A Catholic nun believes humanity is on the verge of a supernatural battle.

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

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