While their experiences do not tell us what an alien would eat, they do show us that leaving Earth changes the way we eat.

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

If humans ever receive a message from intelligent aliens, the biggest challenge may not be how far away they are, but how to communicate at all. Our nearest star system is more than four light-years ...

This novel is nominally about an interstellar voyage. It’s actually about sex, love, God, and the problem of evil.

Maybe we did not create life in the biological sense, but maybe we created something stranger: an alien form of ...

Scientists blast the idea that consciousness is confined to human or animal brains in a provocative new paper published this ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the ...