The prediction of the founder of a global UFO organization prompted crowds to gather in anticipation of a 'visit'.
The mission will focus on solving the mystery of the Gruithuisen Domes which were first discovered in the 1800s.
Scientists have found the building blocks of life in samples collected from the asteroid by a spacecraft.
The probe is spending Christmas Eve attempting to fly closer to the Sun than any other spacecraft in history.
The spacecraft will be trying to answer some of the most critical questions about Europa and its subsurface ocean.
The Mutual UFO Network showed off mysterious material that is thought to be from an alien spacecraft.
Boeing's long-troubled alternative to the SpaceX Crew Dragon has made it off the launchpad with two astronauts on board.
NASA's Europa Clipper spacecraft will be carrying an instrument that may be capable of detecting signs of primitive life.
Launching a rocket takes a lot of energy, but what if it were possible to fire a spacecraft into space instead?
A former British Special Forces paratrooper claims that the UK military captured a crashed alien spacecraft in the 1980s.
The enormous next-generation spacecraft launched atop a Super Heavy booster in Texas earlier today.
NASA's Juno spacecraft has sampled Europa's atmosphere and discovered less oxygen than had been expected.
The achievement is not only significant for Japan but could also pave the way toward many more lunar missions.
The launch marks the third trip into space for the Chinese reusable experimental spacecraft.
The enormous spacecraft successfully reached space for the first time but was unable to make it home in one piece.
Just in time for Halloween, NASA has posted up an image of an eerie-looking formation in the gas giant's atmosphere.
Sagan and his colleagues used instruments aboard the Galileo spacecraft to conduct a very important control experiment.
The space agency's Psyche spacecraft will be the first ever to attempt to directly visit a metal asteroid.
The Air Force Research Laboratory has awarded a trio of contracts to major companies to advance small nuclear fission reactors.
The spacecraft touched down in the Utah desert after a seven-year journey to and from the asteroid Bennu.