Near the Earth’s atmosphere is a swirling cauldron of gasses producing spectacular phenomena that science is still struggling to understand. But some experts believe many atmospheric light shows are actually caused by extraterrestrials. Alien Files Unsealed s3e4: Atmospheric Anomalies
All around the world UFO sightings are increasing in record numbers. Some experts believe in the not too distant future the day may come when aliens decide to step out of the shadows and invade planet Earth. Alien Files Unsealed s3e5: Alien Apocalypse
10) The Cosford incident; 9) Battle of Los Angels; 8) Laredo incident; 7) Flight 19; 6) Operation Highjump; 5) Rendlesham Forest; 4) The Tehran diamond; 3) The Malmstrom missiles 2) The Usovo incident; 1) Roswell. Alien Files Unsealed s3e6: Top Ten Military Encounters
We may not be the world’s only frequent fliers. More and more our commercial aircraft are coming face to face with the unknown. Alien Files Unsealed s3e7: Alien Skies
UFO waves are a very real phenomenon. Alien Files Unsealed s3e8: The Next Wave
Alien abduction: it’s the ultimate close encounter. There have been thousands of reported cases all over the world … What are the tell-tale signs of abduction? Alien Files Unsealed s3e9: Signs of Abduction
They can do it all without making a sound. But how is this possible? Many experts believe the answer is anti-gravity propulsion. Alien Files Unsealed s3e10: Anti-Gravity UFOs
How much do we really know about these mystery metals? Alien Files Unsealed s3e11: UFO Metals
Fear has taken a new shape: black triangles. Alien Files Unsealed s3e12: Triangle Terror
Experts have long believed the universe to be riddled with mysterious portals – shortcuts through space. Alien Files Unsealed s3e13: Earth Portals
Where do UFOs come from? Do visitors to planet Earth travel vast distances to the only planet boasting intelligent life in this corner of space? Or do they originate much closer to home? Alien Files Unsealed s3e14: Solar System UFOs
Did he [Hitler] do it alone? Did the Nazis have access to alien technology? Alien Files Unsealed s3e15: Nazi UFOs
Do aliens exist? And have they visited planet Earth? Alien Files Unsealed s3e16: Alien Bodies
Our world is home to many UFO hot spots where unidentified objects and aliens are reported with alarming regularity … But which came first: the Zone or the UFO? Alien Files Unsealed s3e17: UFO Zones
Civilian close encounters: 10) The Phoenix Lights; 9) Kenneth Arnold’s Flying Saucers; 8) The Belgian Wave: Eupen November 29th 1989; 7) The Cash Landrum Incident; 6) The Dalnegorsk Incident: ‘strange metallic beads’; 5) Colares Island, Brazil: a violent wave of UFO attacks; 4) The Solway Firth Spaceman 1964; 3) The Zamora Incident, Socorro New Mexico; 2) Ted Davenport, Alamogordo New Mexico ‘a metallic implant in his brain; 1) Travis Walton. Alien Files Unsealed s3e18: Top Civilian Encounters
For decades a dedicated global network of UFO investigators has been lobbying world leaders for the release of all top secret files on UFOs and the presence of aliens here on Earth. Today many are seeing signs that full disclosure may be just around the corner. Alien Files Unsealed s3e19: Countdown to Disclosure
Many believe aliens are already here on Earth. But why are they here? … If extraterrestrials decide to target our planet … is there any way we can fight back? Alien Files Unsealed s3e20: Alien Achilles Heel
But if we can’t survive space travel without a protective suit, how can they? Alien Files Unsealed s4e1: Second Skin
The spring of 1952 … UFO sightings go off the charts. Alien Files Unsealed s4e2: 1952 Wave
In 1969 the United States’ government officially announces it will stop investigating UFOs, but trust in the government is about to hit rock bottom … A 1974 amendment to the Freedom of Information Act granting the public unprecedented access to secret government files. Alien Files Unsealed s4e3: The Freedom of Information Act
China, Russia and the US are caught in a new high-tech space race. Alien Files Unsealed s4e4: The Space Race
What happens when pilots are sent with a shoot-down order? … When they encounter UFOs their mission automatically becomes classified. Alien Files Unsealed s4e5: The Shoot Down Order
For decades governments around the world have investigated UFO sightings. But just how are these top-secret studies conducted? Who is called upon to analyze the evidence? Alien Files Unsealed s4e6: Seeing is Believing
We can picture them from the outside but what do they look like on the inside? Alien Files Unsealed s4e7: Inside UFOs
Many experts believe aliens may have visited Earth before and will inevitably descend upon us in the future. But more unsettling is the possibility that aliens are already here and that they are using us for their own benefit. Alien Files Unsealed s4e8: Unwelcome Visitors
If aliens exist, how do they navigate the vast regions of space? Alien Files Unsealed s4e9: Alien Journeys
The hunt for intelligent life in the universe has never been more urgent. Alien Files Unsealed s4e10: Finding Aliens
What makes photographic evidence reliable? And how can you tell a real UFO photo from a hoax? Alien Files Unsealed s4e11: UFO Photos
Where do UFOs come from? … Are they coming from Earth? Alien Files Unsealed s4e12: UFOs From Earth
In 1947 a series of American UFO triggers an unprecedented analysis of the UFO phenomenon. Alien Files Unsealed s4e13: Summer of Saucers
Not all sightings are equal: in the court of public opinion the most credible witnesses come from the military and law enforcement. Alien Files Unsealed s4e14: Police Sightings
Between 1981 and 2011 Nasa’s space shuttles flew 135 mission. The space shuttles’ cameras recorded astounding footage of UFOs. Alien Files Unsealed s4e15: Space Shuttle Encounters
Some sightings have taken place over large cities and hundreds of people have watched. Alien Files Unsealed s4e16: Mass Sightings
By the mid 2030s Nasa plans to send a manned mission to Mars. Alien Files Unsealed s4e17: Mars the Final Frontier
If aliens exist, how can we communicate with them? Alien Files Unsealed s4e18: Alien Communications
Is there a biological entity behind the controls? Or are some UFOs sentient machines? Alien Files Unsealed s4e19: Artificial Alien Intelligence
If we find a civilisation that is more advanced or perhaps even less advanced than our own, how should we act? And how would an alien civilisation react? Alien Files Unsealed s4e20: First Contact
Are we alone? Science tells us that it is improbable. If alien life does exist beyond our planet, then surely it’s only a matter of time before we have evidence here on Earth. Mexico – a creature that for more than five years has left scientists unable to explain its origins. Alien Investigation, Channel 4 2012
Measuring no more than nineteen inches, pink and almost hairless, and with large, luminous eyes, the creature was said to be conscious and made a noise that no witness could identify … the Metepec creature. ibid.
Long Island, New York: an unknown creature washed up on the shore. ibid.
Now scientists are closer than ever to finding the answer thanks to this: Kepler is the most powerful planet hunter ever built and it’s making astonishing discoveries. And even finding new worlds like our own. Aliens: Are We Alone? Channel 5 2013
KOI701: in early 2011 Keppler saw signs that it had not one but ... four: and this fourth planet was in the right place and the right size. ibid.