Two German tourists caught an image of a UFO flying over the Greek Island of Crete.

“Jesus said to them, ‘My wife ...’ ”

A test model planetary lander crashed and burned at Kennedy Space Center in Florida just seconds after liftoff.

The ancient Martian crater where the Curiosity rover landed looks strikingly similar to the Mojave Desert in California with its looming mountains and hanging haze, scientists said Wednesday.

Conspiracy theorists have worked themselves up into a lather over a mysterious blotch visible in the first black and white photographs taken from NASA's new Curiosity rover as it landed on Mars.

Manufacturer Northrop Grumman says the 302-foot long airship is designed to be a high altitude observation platform

More than six years of intensive research has uncovered two “pristine UFO crash sites” in Kingman, AZ, that occurred over a four-day period in May 1953

Sixty volumes of “meticulous UFO research over 30 years” by the late Ufologist Leonard H. Stringfield were donated to the Mutual UFO Network (MUFON)

Remember the ‘UFO' that motorists spotted along D.C. highways back in June?

News Release - Open Memo to the President by Stephen Bassett and the Paradigm Research Group.

What created this unusual hole in Mars?

Some say an area in central California is a popular stopping place for aliens.

Government officials believe aliens may visit Earth and suggest harnessing UFO technology for UK defences, it emerges.

A NASA spacecraft has spied a vortex swirling in the atmosphere high above the south pole of the Saturn moon Titan