Most of us are reserving judgment on whether there is intelligent life on other planets; we haven’t even found bacteria yet, much less a race of aliens with Internet service and takeout food.

we haven't been able to get in touch with any of it. Aliens do exist #1: They just visited Earth before intelligent life existed here Humans have only existed for about 200,000 years out of the ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

Most scientists agree that alien life almost certainly exists in the universe somewhere. Our galaxy contains in the region of 300 billion stars, and we’re now discovering planets travelling ...

Of all the unanswered questions in modern science, perhaps the most talked about is whether we are alone in the universe. A ...

We take a classic result in statistics and apply ... Lewis and Kipping also consider an alternate scenario which involves super advanced aliens colonizing large parts of the galaxy.

and how scientists might go about trying to answer the question of whether we’re alone. Read an excerpt of The Little Book Of Aliens. Read about astrobiologists finding ways to search for life that ...

Following is a transcript of the video. Humans just tried to contact intelligent aliens. There's a fiery debate in the scientific community. Should we actively try to contact aliens? Pros ...

A cosmologist suggests we should look for exploration, along with energy signatures, to try and find aliens. Dyson spheres of some kind may be built to harvest energy from dark matter in black holes.