The huge sphere, which measures around 5ft across, is thought to be evidence of an ancient civilization.
A massive reticulated python thought to weigh in excess of 250kg has been captured on Penang island.
New evidence has suggested that supermassive black holes may be more common than previously thought.
The SETI Institute is aiming to find evidence of aliens in a place where nobody had thought to look.
A huge flightless bird called Gastornis is thought to have once roamed what is now the Arctic Circle.
Series creator Chris Carter claims that he once thought the real FBI was going to shut him down.
Scientists believe that the human brain can remember ten times as much information as previously thought.
An astronomical anomaly thought by some to be an 'alien megastructure' has continued to defy explanation.
A strange light filmed over the Australian capital is thought to have been a rare case of ball lightning.
At least three people are thought to have been killed recently by monkeys in India's Nolanda district.
Crocodiles are thought to be capable of keeping a watchful eye out even when they seem to be fast asleep.
New evidence has revealed that life may have appeared on Earth 300 million years earlier than thought.
Some US states may require that sellers disclose the fact that their house has a haunted reputation.
Anthropologists have discovered 47 human teeth in a cave in Southern China that date back 80,000 years.
A 20 million-year-old flea trapped in amber is thought to be carrying the ancestor of Black Death.
Scientists have succeeded in enabling brain-to-brain communication between two people over the Internet.
A large land mass was thought to have twice spanned today's Arctic region millions of years ago.
Subterranean passageways once believed to be an urban legend have actually turned out to be real.
New research suggests that drones stress bears out so much that they can suffer a heart attack.
Footage has emerged showing what is thought to be the largest great white shark ever recorded on film.