Conspiracy Test: Aliens and False Memories
Consistent alien stories from around the world in different decades seem to suggest memories are distorted based on what a person expects to see not what they actually saw. Learn more on Discovery Channel's "Conspiracy Test."
Most Watched in Aliens & UFOs
It Came From Outer Space: Hyperthermophiles
Hyperthermophiles are microorganisms that can live in extremely hot conditions. Instead of photosynthesis, these organisms perform chemosynthesis to produce energy. Learn more about hyperthermophiles on the Learning Channel's "It Came From Outer Space."
Science of the Impossible: Human Extelligence
Human extelligence is the ability to learn and retain information. No other being throughout the universe has been discovered that has these capacities. This "Science of the Impossible" clip on Discovery Channel describes our unique intelligence.
What are the odds there is extraterrestrial life in outer-space?
Best Evidence: Roswell Debris Evidence
On Discovery Channel's "Best Evidence," learn about an incident in Roswell, New Mexico where mysterious debris was found. The military declared the debris was from a weather balloon, while some experts and locals offer a different theory.
Science of the Impossible: SETI Radio Monitoring
For over forty years, the Search for Extra-Terrestrial Intelligence (SETI) has been listening to radio signals in space to look for intelligent life in the universe. Learn more about SETI's efforts on Discovery Channel's "Science of the Impossible."
Best Evidence: Roswell Alien Film
In 1995, a film showing an alien autopsy from the Roswell incident emerged, but it turned out to be a hoax. In this clip from Discovery Channel's "Best Evidence", believers and skeptics discuss the relevance and reality of the incident.
Best Evidence: Roswell Project Mogul
Years after the Roswell incident, a military investigation concluded that the debris found was from a spy balloon that was part of Project Mogul. Learn more on Discovery Channel's "Best Evidence."
Recent Videos in Aliens & UFOs
Alien Encounters: Earth's Most Alien Places
Bizarre creatures called "extremophiles" are found in some of Earth's most toxic and intense environments. How can studying these life forms help us understand alien life?
Space: Battle Los Angeles: Alien Life
Angry aliens invade Earth in the new movie Battle: Los Angeles. And once again it's up to us to stop them. But what could life out there really be like? Jorge Ribas talks to SETI astronomer Seth Shostak to find out.
Space: Could Aliens Attack?
In the new movie Battle: Los Angeles, mankind fights off an alien invasion. But could a race of intergalactic beings really attack us? Jorge Ribas gets some answers.
Through The Wormhole: Machine Planet
Alien evolution could produce a living machine-like planet filled with the intelligence of billions of alien minds. But if this does exist, how do we spot it?
Through The Wormhole: Reading Colors
If there are aliens, they could see that our planet supports life based on the variety of colors produced by land, water and weather systems on Earth. However, we do not yet have the proper tools to identify colors of far away exoplanets.