The cosmos almost screams with the possibility of intelligent alien life. Hundreds of billions of galaxies drift through the visible universe, each one harboring hundreds of billions of stars ...

And humanity is less likely to be alone in the universe than we thought. Though not direct proof of aliens, the theory offers a way forward for testing and studying where, when, and if aliens ...

We were not taken up on our offer, and it was further suggested that the aliens are too smart to let such evidence fall into our hands. One MIT physicist, a fervent proponent in alien abductions ...

Are we alone in the universe? Probably not, say a group of scientists who believe there’s a good chance aliens are populating other planets outside our solar system. This idea is controversial ...

Forbes contributors publish independent expert analyses and insights. Jamie Carter is an award-winning reporter who covers the night sky.