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Aliens & UFOs

Do Aliens & UFOs exist? Has man been visited by other races from other worlds? Explore the fascinating evidence for and against the existence of extraterrestrials.

History of the Roswell UFO Incident

The history of the Roswell UFO incident has a long, complicated legacy of truth and conspiracy. From the crash site to the recovered alien bodies, there is a lot of speculation -- how much is believable? Learn more history of the Roswell UFO incident.

A Simple Equation Calculates the Likelihood of Alien Intelligence, But...

What is the Drake Equation? How is it related to the search for extraterrestrial intelligence? Learn more in this HowStuffWorks article. See more »

How the Fermi Paradox Works

If there's such a good chance of extraterrestrial life existing, where are the aliens? Learn about the Fermi Paradox at HowStuffWorks. See more »

Should We Cloak Earth to Hide It From Evil Aliens?

Two astronomers have thought up a way to use lasers to conceal Earth from aliens. Learn more about their cloaking idea at HowStuffWorks Now. See more »

Here's Why UFOs May Be to Blame for Climate Change Denial. Seriously.

How can current mistrust of science be traced back to the UFO phenomenon of the 1940s? Learn more in this HowStuffWorks Now article. See more »

Alien Abductions: Are You in Good Hands?

There's life insurance and flood insurance, but what if little green men come to get you? Find out if you can be covered at HowStuffWorks Now. See more »

If We Can’t Chat With Aliens, We Could at Least Ring Their Doorbell

Talking to aliens might not be as easy as using those vocalizations humans love. Learn about interacting with extraterrestrials at HowStuffWorks Now. See more »

Could aliens really watch old TV shows?

The idea of aliens watching old TV shows seems pretty far out, but could our TV signals actually create the opportunity for that to happen? Find out. See more »

What are UFOs really?

What are UFOs, and are UFOs real? Learn about UFOs in this article from HowStuffWorks. See more »

What are the odds there is life in outer space?

The search for extraterrestrial life is an absorbing, hotly disputed topic. See how scientists look for extraterrestrial life and what they've found. See more »

UFO Reports

UFO reports have been filed by everyday UFO witnesses from Russia to Minnesota, and even by celebrities. Read more UFO reports from the past century. See more »