A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

In 1977, astronomers detected a powerful, narrowband radio signal that appeared to come from deep space. It lasted just 72 ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

There have been multiple conferences marking the Warminster Thing in the decades since, including in 2025. One of the ...

At first glance, the Drake Equation looks like a hopeful scientific tool. In reality, it leads to disturbing possibilities about isolation, extinction, and survival. This breakdown explains the ...

Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

Prosecutors in Pennsylvania say a convicted sex offender -- from California -- will spend decades behind bars for traveling ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Every animal with a brain needs sleep — even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even ...