A 1947 sighting over Mount Rainier launched America's UFO craze.

Add Yahoo as a preferred source to see more of our stories on Google. Did a flying saucer just land at NASA? It sure looks like it. This is actually the weather cover for the core stage of NASA's ...

Meet the VZ-9AV Avrocar: Is the alien spacecraft that crashed in Roswell, New Mexico, back in July 1947 now in the collection of the National Museum of the United States Air... Here’s What to Remember ...

Voice of Space: UFOs and Paranormal Phenomena at the Drawing Center has ambitious goals. The wall text asks: “What role do UFOs and paranormal phenomena play in shaping our understanding of the ...

Former President Barack Obama caused a stir over the weekend when he said that aliens were "real." Obama spoke with Brian Tyler Cohen in an interview posted on Saturday, and suggested that ...