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

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

There’s dozens, maybe hundreds of movies where “America!” is the predominant theme—some reverent, some scathing, all of it ...

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...

Add Yahoo as a preferred source to see more of our stories on Google. Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, microbiologist and ...

“You will, no doubt, be familiar with the 1995 footage of a supposed alien autopsy,” said Sarah Dempster in The Guardian, in which, over the course of 18 minutes, figures in hazmat suits dissect the ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

The best Steven Spielberg movies include Disclosure Day, ET, Indiana Jones, Jaws, Schindler's List, Jurassic Park, The ...