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Scientists launch major new search for alien life

'Determining whether we are alone in the universe as technologically capable life is among the most compelling questions in science'

For World UFO Day, here are the 10 best alien films of all time

Even if you don’t want to continue watching the skies, there’s always the option to keep watching the TV 

World UFO Day: Best places to go alien spotting

Believe we’re not alone in the universe? Here’s where to go looking for extraterrestrials

Are octopuses aliens from outer space?

Octopuses are aliens. That’s the claim being made by a team of 33 researchers published in a peer-reviewed scientific journal.

Hyper-salty lakes offer clues about alien life on Jupiter’s moon

Pools of water 750m below Arctic ice could be home to life that has evolved in isolation for 120,000 years

Why Anonymous claims Nasa is about to announce the discovery of aliens

Much of the questionable claim relies on one comment from a senior Nasa executive, as well as the agency's pioneering work

Billionaire Nasa partner is 'absolutely convinced' aliens are on Earth

Extraterrestrials are living right under our noses, apparently