A team of astronomers have found a mysterious object in the distant universe that could be dark matter or an inactive smaller ...

America is no stranger to a host of strange and unexplained discoveries that span from ancient artifacts (hoax or history?) to baffling natural phenomena to conspiracy theories about places as benign ...

In addition to the double ring, the program found two other examples. In RAD J122622.6+640622, astronomers saw a galaxy ...

Discovery’s Expedition X explores the legends and lore that have made the Bridgewater Triangle one of the most mysterious ...

Explore these 5 strange discoveries that continue to defy explanation, even for NASA. CHP report identifies cause of Marin crash that killed 4 teen girls, refutes survivor's account He Won the $2 ...

For years, scientists staring at Mars through the eyes of orbiting spacecraft noticed something strange: a mysterious signal ...

The persistent human fascination with extraterrestrial life and the fundamental question of whether we are alone in the universe has driven countless investigations, theories, and debates throughout ...

The wall stretched for 73 miles. The Roman Empire built 73 miles of wall to fortify its northern border in Great Britain. In AD 122, the Emperor Hadrian ordered its construction, and it remained the ...

ESO's Very Large Telescope has observed a rogue planet and revealed that it is eating up gas and dust from its surroundings at a rate of 6 billion tons a second.

"Massachusetts' Bridgewater Triangle is America's leading hotspot for all things unexplained," the Discovery Channel says.