A Boeing NKC-135R was tracked flying over the secretive facility multiple times back on September 20th.
The origin of a flightless bird found only on a remote island in the Atlantic has puzzled scientists for years.
The Chinese city of Chengdu is working on a novel space-age solution to illuminating its streets at night.
Four gargantuan planets have been observed orbiting a relatively young star approximately 500 light years away.
A worrying new study has highlighted the catastrophic effects of global warming on insect populations.
A new study has cast further light on a mystery fossil that scientists say is as 'strange as life on another planet'.
Three red lights in a triangular formation were spotted over a home in North Caulfield earlier this month.
Hundreds of people took to social media to report a set of strange lights hovering over the city on Wednesday.
A peculiar strip of glowing light spotted in the sky over Canada has left scientists scratching their heads.
The mass UFO sighting that occurred over the Texas city of Lubbock in 1951 still continues to perplex and intrigue.
An old audio recording of Dr. James E. McDonald describing his work on the case has emerged online.
Frederick Valentich disappeared without a trace after encountering a UFO on a flight to King Island, Tasmania.
The third rocket-powered test flight of SpaceShipTwo provided its pilots with a spectacular view of our planet.
A new study has highlighted two periods in the Moon's distant past when it may have actually supported life.
Inventor Richard Browning's impressive flight suit is now available to purchase for a whopping $440,000.
An extrasolar world 500 light years away could be the most promising place yet to look for alien life.
The disturbing experiment has been designed to highlight the potential dangers of intelligent machines.
Astronomers have found a solar system 160 light years away with three planets roughly the size of our own.
A sonar search for flight MH370 has uncovered the wrecks of two ships that went missing in the 1800s.
Virgin Galactic's new spaceplane blasted through the sky on Thursday after firing its rocket engine for the first time.