The Lonnie Zamora Incident is a well known UFO sighting that occurred on April 24th 1964, near Socorro, New Mexico. Police Officer Lonnie Zamora reported seeing a shiny egg-shaped object that roaring flames and ascended into the sky. 
Steve Colbern worked with Quantum Paranormal researcher /author Patrick Jackson in the role of Chemist / Materials Scientist investigating a 'sphere object' which they posit is "the route cause of global paranormal activity".
Some of you may have come across Nicholas Roerich. I touched on him in a thread on ultraterrestrials here: 
If you are into the stranger side of things then 'ultraterrestrial' may be part of your lexicon. But what are they exactly? What could be the reality behind this concept? 
Genesis IV. 
The two dead men were electrical engineers and wearing matching suits and lead masks that it later transpired they had made themselves at home. In a pocket was a note that read:
This is the statement and illustration made by his resident tradesman Fredd Briggs. A craft landed on his Broadlands estate (UK) in 1955 according to Mr Briggs. Lord Mountbatten endeavoured to investigate. 
And we have Lady Mosley (mother of fascist Oswald Mosley). Her son credits her with "assisting him in the early days" of setting up his British fascist movement. 
