What if technosignatures and biosignatures are not the only ways intelligent alien life can make itself apparent?

Life may not be as rare as we think. It may lurk somewhere beneath the dusty, barren landscape of Mars, hide under the icy shell of Europa, or drift through the atmosphere of a distant exoplanet. The ...

Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. Another batch of “UFO Files” have been dropped by ...