Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Stacker compiled a ranking of cities with the most UFO sightings in Georgia using data from the National UFO Reporting Center ...

"This is the first time that we've been able to predict in human history an asteroid visibly passing by the Earth." ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

This weekend marks the United States of America's 250th birthday, so why not celebrate or commiserate with the best July 4th ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...