Stephen Wagner at About.com has compiled the 20 best ghost photos and videos of the last year. Some of the images were caught by accident, others picked up by security cameras.
Off the coast of New Zealand, a large unexplained wake was spotted via Google Earth, leaving some to speculate that it might have been caused by a giant sea creature.
Activists from Greenpeace could face serious legal ramifications for a surreptitious stunt at Peru's Nazca Lines. This past week, members of the environmental group entered a restricted area surrounding the legendary hummingbird geoglyph and composed a...
An image taken several years ago by the panoramic camera on NASA's Spirit rover has gained new attention recently after enthusiasts spotted what appears to be a humanoid skull partially buried in the Martian sand.
A mysterious structure on Saturn's moon Titan has been detected. An odd island-like feature off Ligeia Mare-- one of the moon's large hydrocarbon seas, appears to have doubled in size over the last year.
George Knapp shares a number of items that have recently caught his attention, including an article about an experiment that will attempt to determine whether our perception of a three-dimensional universe is just an illusion.
Tourists by the thousands are flocking to a small community in Germany following the emergence of an elaborate crop circle in a local farmer's wheat field.
An archaeological complex in Costa Rica known for its mysterious stone spheres has been newly designated as a World Heritage Site by UNESCO.
George Knapp shares a number of items that have recently caught his attention.
Check out two photos from Ed Leedskalnin's Coral Castle.
George Knapp shares some news items that have recently caught his attention, including articles on a close encounter with a Yowie, evidence that Lee Harvey Oswald shot Dallas police officer J.D. Tippit, and documents which may detail how Hitler survived...
The NASA rover Curiosity has beamed back a photo from Mars that shows a strange bright light that appears to emanate from the planet's surface.
George Knapp shares some items that have recently caught his attention, including an article about the strange cattle mutilation mystery.
Major Ed Dames sent us a graphic of where he believes the missing Malaysian jet is located.
George Knapp shares a number of items that have recently caught his attention including his I-Team report on the 50-year old Paul Fronczak mystery.
NASA scientists are baffled by a piece of rock that has mysteriously appeared in front of the Mars Opportunity rover.
In tandem with his 12/10/13 show appearance, Robert Morningstar shares two images.
Known as the Blythe Intaglios, the ancient drawings of humanoid figures and animals may be thousands of years old.
Pictured is the Martian anomaly known as "Inca City," the informal name given by Mariner 9 scientists in 1972 to a set of intersecting, rectilinear ridges.
NASA's Messenger probe has captured a rather curious-looking shape on the surface of the planet Mercury.
George Knapp shares some recent items of interest, including his I-Team report on the efforts to preserve natural darkness, and an article about erasing unwanted memories.
Colorado researchers have created a type of "ball lightning" in the laboratory, making clouds of plasma emerge from a solution.
On a Missouri highway this past Sunday morning, rescuers were having trouble removing a woman trapped inside her wrecked car, when a mysterious Catholic priest suddenly appeared and offered a prayer.
Pictured is a reconstruction of the mysterious Antikythera Mechanism, believed to be an astronomical instrument of great precision.