SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. From ancient myths about gods descending from the heavens to 20th-century UFO sightings and ...

It's one of life's biggest questions – are we alone in the universe? Now, in good news for sci–fi fans, one of Britain's top space scientists has declared she is 'absolutely convinced' there are ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we ...