Close encounters? SpaceX satellites spark Dutch UFO frenzy

A Dutch website set up to record UFO sightings was flooded early Saturday with reports after a "train of stars" was spotted crossing the Netherlands' skies, sparking fears of an alien invasion.

Modern activities follow the contours of ancient Teotihuacan

A lidar mapping study using a cutting-edge aerial mapping technology shows ancient residents of Teotihuacan moved astonishing quantities of soil and bedrock for construction and reshaped the landscape in a way that continues ...

New Zealand military releases UFO files

The New Zealand military released hundreds of previously classified reports Wednesday detailing claims of unidentified flying object (UFO) sightings and alien encounters.

Some UFOs may be explained as ball lighting

(PhysOrg.com) -- An Australian scientist studying photographs of fireballs, UFO sightings and a report of a strange green light in the sky suggests some UFOs may be ball lightning caused by fireball meteors.

Belgium UFO that puzzled NASA was polystyrene fake

An unidentified flying object photographed high in the Belgian sky that puzzled even NASA scientists turns out to have been a fake made out of foam, the man behind the hoax said Tuesday.

ALMA spots most distant dusty galaxy hidden in plain sight

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted the light of a massive galaxy seen only 970 million years after the Big Bang. This galaxy, called MAMBO-9, is the most distant dusty star-forming ...

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