According to a new scientific hypothesis, alien civilisations may only become detectable at the moment of their collapse.

Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

Imagine a point in a sci-fi story where someone starts to think aloud, “What if we treat the machine like a person?” Can’t ...

The mechanics of the modern television thriller have evolved into a distinct cultural ritual, a synchronized global event ...

If life exists beyond Earth, water may be the first clue. Water Worlds explores the planets and moons where liquid water ...

The most sensitive radio scan in history found no signs of alien tech on interstellar object 3I/ATLAS. Discover why this ...

North Korean leader Kim Jong Un hailed troops fighting in an “alien land” in a New Year message to soldiers, state media ...