The National UFO Reporting Center has received countless reports of UFOs in its 45 years of operation.
A thigh bone found in a Crimean cave belonged to a huge species of bird that was as heavy as a polar bear.
Residents of Butler County, Ohio were left perplexed earlier this month by a giant white orb in the sky.
A recent video from Japan shows what appears to be a crow engaged in some rather peculiar behavior.
Cory Nielsen spent three years putting together the impressive structure using 1,030,315 pennies.
A homeowner in Missoula County, Montana recently returned home to find a rather unwelcome guest.
A sword discovered 30 years ago in a cave has turned out to be a lot more significant than previously thought.
A bright glowing light was captured earlier this month by one of the cameras aboard NASA's Curiosity rover.
In the run-up to the infamous nuclear disaster, several workers claimed to have seen a strange creature.
The new worlds are so much like our own that both are now on a list of the 19 planets most likely to support life.
Gloria and Ian Davison had been visiting the Scottish Highlands when they spotted something in the loch.
A new type of nuclear fusion propulsion system could see spacecraft make it to Saturn in a matter of months.
A new study has suggested that larger animals will go extinct while smaller, insect-eating animals will thrive.
A hiker recently captured some intriguing video footage of the base from the top of the adjacent Tikaboo Peak.
Scientists now believe that our Sun is capable of producing a type of powerful and disruptive 'superflare'.
Scientists have determined that Europa's ocean may be more like the Earth's oceans than previously thought.
The lunar module that was used during the Apollo 10 Moon mission has been lost in space for over 50 years.
Treasure hunters believe that the bunker could be where the Nazis stored Russia's long-lost Amber Room.
The world's most expensive painting - Salvator Mundi - mysteriously disappeared shortly after being sold.
The Munich region of Germany was hammered by hailstones the size of tennis balls earlier this week.