What on Earth?
What on Earth?
What on Earth?
What on Earth?
Sign In With Your TV Provider
You’re just a few clicks away from the show you want to watch. Please sign in with your TV provider to watch this episode and other great programs.
Watch Now
What on Earth?
Hurricane From Hell
There are signs of life in the eye of demonic hurricane.
More from this Show
When a perfect triangle is found in the middle of a unpopulated portion of Australia, experts begin to wonder whether or not the design is man made.
03:57
What on Earth?
Strange Australian Triangle
i
Satellite photos show a strange circle beneath the ice of an ancient lake. Further analysis shows that these mysterious rings appear each year. What are they?
03:58
What on Earth?
Intriguing Ice Circle
i
A satellite captures an image that uncovers the entrance to an underground complex. What is being built there?
04:32
What on Earth?
Chinese Underground Lair
i
Scientists are baffled when a seemingly huge tsunami headed straight for Hong Kong suddenly disappears in the water.
04:02
What on Earth?
Huge Tsunami or Marine Weapon?
i
Sandy Island seems to have disappeared, and scientists aren't quite sure why. Was there some sort of elaborate government experiment?
01:13
What on Earth?
Missing Island
i
Satellite images capture a distinct glowing object beneath the ocean's surface.
03:18
What on Earth?
Mysterious Underwater Glow
i
Satellite images reveal a strange hole in Antarctica. After scientists rule out whirlpools and sinkholes, they have to look back in time to find the answer.
02:55
What on Earth?
Ghost Lakes in Antarctica
i
A commercial satellite imager spots something strange in the middle of a vast desert. It looks like an airport runway, but there are no planes. No government claims ownership of this strange place.
03:01
What on Earth?
Secret Drone Hangar Discovered in Saudi Arabia
i
Satellite images reveal enormous spirals in Peru. Some researchers say they are too perfect and too huge to be man made.
00:45
What on Earth?
Strange Spirals in Peru
i
Ghost lakes have existed for millions of years, but they just recently started showing themselves. Geophysicist Helen Fricker explains how scientists are moving forward with this discovery.
01:26
What on Earth?
Discovering Ghost Lakes
i
For years the hottest place on Earth ever recorded was a city in Libya. When researchers took a second look at this information, they realized the measurement was wrong.
01:27
What on Earth?
The Hottest Place on Earth
i
When you think of deserts, you don't typically think of bright, jewel tones. Why are these massive pools of color here?
02:04
What on Earth?
Why is this Desert so Colorful?
i
Who drew this over 2 mile long humanoid figure into the Australian terrain?
02:12
What on Earth?
This Humanoid Drawing can be Seen From Space
i
Satellite images revealed hundreds of black holes in the middle of the desert near ancient burial grounds. Is grave robbing still a thing in modern day or were these holes caused by something else?
00:46
What on Earth?
Black Holes in Egypt
i
Satellites spotted a strange, long streak across the desert in Bolivia. At first, scientists thought it may be a skid mark from a meteor.
02:09
What on Earth?
Train Graveyard in Bolivia
i
This isn’t an optical illusion. This lake on Middle Island is actually pink! You can thank the algae in the lake for the gorgeous color.
03:12
What on Earth?
This Lake is Bright Pink
i
You May Also Like
Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.
02:31
Alien Encounters
Nick Sagan & Frank Drake Reunite
i
Since launching in 2009, the Kepler program has detected hundreds of previously unknown planets. How many of them are Earth-like, and what does that mean for the probability of intelligent life beyond our solar system?
02:05
Alien Encounters
Do Billions of Planets Mean More Earths?
i
Since the 1960s, NASA has been keeping an eye on man-made objects in space. Here, engineers are replicating the devastating impact of space debris. 'Alien Encounters' airs Tuesdays at 10/9c.
02:08
Alien Encounters
The Effects of Space Trash Can Be Devastating... and Deadly
i
Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.
02:31
Alien Encounters
Frank Drake and Nick Sagan Meet Again
i
What would receiving a message from an alien civilization tell us about human evolution, and about surviving the most serious problems facing our planet?
01:35
Alien Encounters
Humanity's Evolutionary Outcome
i
An alien spacecraft might not rely solely on sunlight to power its trajectory. Find out what other energy technology aliens could use to travel through the universe.
01:30
Alien Encounters
Space-Powered Alien Ship
i
Will ETs look like us? Will they resemble giant insects? Scientists debate how various environments could have created life forms beyond our wildest imagination.
01:49
Alien Encounters
Will Aliens Have Bodies?
i
If the chirality of aliens is different than ours, it couldn't interact with us, and therefore would be non threatening.
02:12
Alien Encounters
Sinistral Intentions
i
It's likely that an advanced civilization would combine the advantages of a machine with the advantages of biological systems.
03:08
Alien Encounters
The Hybrid
i
It's possible that life on earth began off-planet and spread here.
02:42
Alien Encounters
Panspermia
i
John Smith and his cousin Billy have a mysterious encounter while driving on a remote highway in the Yukon. Was it a UFO?
03:13
Close Encounters
Strange Sighting on Canada Highway
i
It's 1967, the Cold War is on and there's a glowing orange light hovering over a U.S. Air Force base.
03:15
Close Encounters
Fire In the Sky Over Air Force Base
i
Reports of a downed aircraft bring a volunteer firefighter to a remote wooded area.
02:31
Close Encounters
Mysterious Crash In Pennsylvania Woods
i
The Hale - Bopp comet was overhead but a strange formation of lights in the sky didn't appear to be natural.
03:02
Close Encounters
Hale-Bopp Comet Or UFO?
i
A Japan Air Lines pilot spots a mysterious object on his radar and sees bright lights outside the window of his aircraft.
03:00
Close Encounters
What Did Japan Air Lines Flight 1628 Pilot See?
i
A police officer spots a strange light in the sky in Minnesota. Things only get stranger after he crashes right into it... or it crashes into him.
02:58
Close Encounters
Police Officer Crashes Into UFO... Or It Crashes Into Him
i
