Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

Rather than being an alien craft, 3I/ATLAS likely formed 12 billion years ago at a key moment in the early Universe ...

Earth's airports may be broadcasting our existence to the galaxy without anyone intending to. A 2025 study from the University of Manchester found that radar systems at major airports emit ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

The iconic and critically acclaimed Mass Effect sci-fi video game saga includes four main titles thus far, but which of the four is the absolute best?