We have trillions to bail out banks for gambling with our money, but a few million to figure out if we're alone in the universe? That we apparently can't afford...

A new app that's supposed to teach aliens how to communicate with us seems to underestimate just how different aliens and their technology would be...

It makes sense for an alien species not to care about wiping out a civilization on another planet. Question is whether it would be worth the hassle.

Could we spot aliens not by their signals into outer space, but by their mining activity?

Even if aliens would try to invade and conquer us, they're probably not going to be in a hurry to do so or even want to spend the effort...

Communication is difficult. Especially with alien beings that evolved tens of light years away and may have no idea we're even trying to communicate.

The odds of downloading an evil alien artificial intelligence and enabling it to take over our machinery are pretty much zero to none.

Dougal Dixon has seen the future of the human species and it's not a fun or good one...

Is oxygen in the air a necessity for an alien civilization to develop?

Futurist blogger created an aspirational list of rules by which we should interact with any aliens we might encounter. Emphasis on the aspirational part...

Astronomer Ragbir Bhathal supposedly claims he received a signal from Gliese 581g, but the story behind the claims doesn't seem to make much sense.

As soothing as it may seem, it's very, very, very unlikely there's a union of various alien species that imposes an interstellar order.

Would aliens actually want to build a Dyson Sphere? It wouldn't be out of reach for them, but they might get a lot less power out of it, with a lot less utility than it seems at first glance...

Despite what you may have heard, Voyager 2 remains very much under human, not alien, control.

The more spread out an alien species is across the cosmos, the easier it would be to find and contact them. But how widespread could an alien civilization be?