Dr Mohamed Salama had been putting his bins out when he spotted two objects moving erratically in the sky.
Saudi Arabia has unveiled plans for a remarkable construction project far beyond the scale of anything seen before.
A new documentary series is covering the story of one of the most infamous and mysterious skyjackers in US history.
75 years ago, pilot Kenneth Arnold sighted several strange objects in the sky near Washington's Mount Rainier.
China's 'Sky Eye' telescope has picked up possible evidence of extraterrestrial intelligence.
Unlike other species, we can make vaccines, send probes to other worlds and build skyscrapers.
A meat packing plant worker recently captured footage of an unidentified object falling from the heavens.
Palaeontologists have unearthed the fossil of a giant winged reptile on Scotland's Isle of Skye.
The SkyCAM-5 camera system uses artificial intelligence to spot unidentified aerial phenomena.
Artist and photographer Wes Snyder captured a time-lapse recording of the trails while filming the night sky.
This unusual object was recently captured on camera by skywatcher Peter Benton.
A woman who had been traveling with her partner along the M6 recently photographed something unusual in the sky.
A photographer in Zurich recently captured this mesmerizing shot of an unexplained object in the sky.
A couple in Scotland last week spotted something very unusual flying over the city's skyline.
An intriguing report details the case of a police officer who encountered something unusual in the sky over Canada.
A new paper has put forward a radical new theory to explain mysterious magnetic structures in the sky.
A residential doorbell camera in Virginia recently picked up the moment a fish plummeted from the sky.
The space agency is planning to launch a constellation of lunar navigation and telecommunication satellites.
A design concept for a skyscraper made from genetically modified trees has won this year's eVolo contest.
A pensioner from East Lancashire maintains that he saw something very unusual in the sky two weeks ago.