Rumors have swirled for years around the development of a new type of hypersonic reconnaissance aircraft.
As it turns out, this peculiar aerial phenomenon actually has a conventional explanation.
Astronomers recently made the fascinating discovery of the brightest and fastest growing quasar ever seen.
The footage, which was captured near Kirriemuir, Angus, shows a dark-colored animal walking through tall grass.
This striking yellow and black bird, which hadn't been seen for 20 years, was rediscovered during an expedition to Africa.
For decades, the fossil of a lizard found over 90 years ago was thought to exhibit evidence of preserved soft tissues.
The discovery provides further proof of life's ability to thrive in extremely deep, high-pressure environments.
New research suggests that black bears could account for a significant percentage of Bigfoot sightings.
The international team of astronomers describe their intriguing discovery and explore what it could be.
Known as Gigantopithecus blacki, this enormous primate was the largest of its kind ever to walk the Earth.
The huge black hole at the center of our galaxy is spinning at such an extreme rate that it is literally squishing space-time.
In 1978, a mass UFO sighting and mysterious fire spooked the residents of Black Tickle on the Canadian east coast.
The most recent Loch Ness Monster sighting of the year comes courtesy of Sash Lake from Wiltshire, England.
A large animal filmed in a field in Colwyn Bay, Wales is being hailed as further evidence of exotic cats roaming the British wilds.
A walker and his family recently witnessed a huge black cat wandering around the remote Dartmoor area.
The young boy attempted to gain the powers of the fictional web-slinger by enlisting the services of a black widow spider.
The telltale gravitational signature of supermassive black holes merging has been detected by astronomers for the first time.
It might sound unthinkable, but is our universe simply the interior of a black hole that is situated within another universe ?
The event will offer 'definitive evidence of illegal unacknowledged black budget projects related to UFOs'.
The grainy, black-and-white images show what appears to be a thin, cylindrical object flying over the city of Baghdad.