A couple of years ago, the FBI freaked out UFOlogists by making a ton of old documents public online — one of which was a memo sent to J. Edgar Hoover about a man who had seen flying saucers. It is the most popular document in the FBI Vault, accessed almost a million times.

The FBI file on Ray Bradbury reveals the federal government was investigating the legendary author for being a communist in the 1950s and 1960s.

If there's one lesson we've learned from 2009's television, it's that there's really only one place to work if you want to save the world from alien invasions, parallel universes or any kind of weirdness: The Federal Bureau of Investigations.

Today the federal government of the US will be spending roughly $50 million on state-of-the-art defense during today's inauguration of President Barack Obama. Here, a robot bomb sniffer gets ready for the big day.

Scientists like Jared Diamond argue that human history is essentially the story of technology. Our technological advancements are what propelled us from caves to cities, from gaslight to nuclear reactors, and from horseback to orbit. But with each advance comes a potential dark side: deadlier warfare, toxic pollution,…

The long-awaited X-Files sequel (as yet unnamed) will be in theaters this summer, and even though it'll have been six years since X-Files fans have seen anything new, there's already a lot of excitement buzzing around this movie. Will they find the truth? Will they make a believer out of skeptics? Will they finally…