The upper stage of a Falcon 9 rocket smashed into the surface of the Moon around two weeks ago.
The horrific prospect of a killer robot careening toward you at superhuman speed is now one step closer to reality.
A gargantuan, bright red spot in the early universe has turned out to be something that nobody has ever seen before.
A woman and her husband came across a large unexplained bipedal creature estimated to be around 9ft in height.
A man who has spent years attempting novel ways to extend his life has revealed that he is battling an incurable health condition.
The latest selection of files includes a cache of 12 previously unseen videos of mystery objects sighted around the world.
A new analysis of the bird's brain has revealed that the phrase 'dumb as a dodo' is likely completely baselesss.
The controversial observations indicated the presence of large unidentified objects measuring several miles across.
One of the earliest reported UFO accounts has been unexpectedly found inside a box of junk and is now up for auction.
Something large and mysterious has been leaving a trail of carnage in the waters off Montauk, New York.
The Amazon rainforest might seem like an impenetrable tangle of trees today, but in the past, it was home to millions of people.
The pilots of a Mokulele Airlines flight recently had to take evasive action after an unidentified object 'popped' out of a cloud.
Contestants are tasked with rapidly consuming the contents of a toilet bowl using a large straw.
The iconic 90s TV show has been immortalized in a new LEGO set that pays tribute to the characters and lore.
Former government employees and contractors had previously felt unable to disclose details of UAP encounters.
The asteroid Apophis - which is considered to be potentially dangerous - will make its closest approach before the decade is out.
Just as disclosure seems to be gaining traction, the Pentagon is looking into a new way of concealing files from the public.
Drone warfare has proven to be at the heart of the modern battlefield, but what if it were possible to build a drone that cannot be seen?
Astronomers have identified a nearby rocky extrasolar planet that has an atmosphere and lies within its star's habitable zone.
The groundbreaking sale saw the fossil remains of the tyrant lizard - named 'Gus' - change hands for millions of dollars.