For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

The U.S. launched new strikes on Iran after President Donald Trump announced the reinstatement of a blockade in the Strait of ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

When it comes to sci-fi, few names carry the same weight as Ridley Scott, who is single-handedly responsible for some of the most influential films of all time. One of the first that immediately comes ...

What are the processes necessary to do so? Can life travel from one planet to another? If so, how? Today's technology brings ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

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

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Steven Spielberg’s credulity makes his latest alien contact film, Disclosure Day, mawkish and old-fashioned rather than ...

Each question in the ABC 50/50 quiz has only two options: one is right; the other is wrong. But there's a catch.