The American government has identified four distinct types of alien life, a former CIA-backed advanced weapons researcher has ...

A former CIA-funded researcher claimed that "at least four" different alien species have been discovered in wreckage ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes of science. Now a mix of genetic clues, asteroid samples and tough little ...

Could there be life on other planets, and if so, what would it look like? Astrobiologist Lewis Dartnell is hunting for alien ...