A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Europa, one of Jupiter's moons NASA / Jet Propulsion Lab-Caltech / SETI Institute Europa is one of Jupiter’s 95 moons, and perhaps among the planet’s most famous orbiters. It’s covered in a shell of ...

Europa is one of Jupiter’s 95 moons, and, perhaps, among the planet’s most famous orbiters. It’s covered in a shell of ice that likely sits atop a global saltwater ocean that’s estimated to be around ...

A painting can hide numerous secrets. Did you know some of the most famous artworks are known for hidden secrets that have ...