The global scientific community, a study says, should prepare for when humanity detects signs of extraterrestrial intelligence in the internet age.

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those ...

A new book charts the millennia-old history of our fascination with aliens, and how myth transformed into research.

It’s one of the most popular themes in science fiction—top secret government experts are ready to spring into action if a UFO appears. For example, in the novella-based 2016 film Arrival, the ...

The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system.

The debate over the existence of extraterrestrial life touches literature, religion, and science in 17th century Europe.

Evan Solomonides ’19 made headlines this week with research suggesting extraterrestrial civilizations may not make contact with Earth for another 1,500 years. Solomonides — who presented his work at a ...

Real or imagined, aliens challenge our beliefs of what it means to be human. July 2, 2013— -- Today is World UFO Day. People in different countries are coming together to share stories about ...

The cultural fascination with beings from beyond our world has produced a vast catalog of films exploring first contact, invasion, coexistence, and cosmic horror. While many remember the classics that ...