New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

"Maybe the best hypothesis is that aliens beamed him up to the mothership," said the wife of Major General William Neil McCasland.

Hundreds of New Mexicans were asked to hand over home security footage in the search for Major General William Neil McCasland.

Retired Air Force Maj. Gen. William Neil McCasland, who once commanded a base long associated with UFO lore, has been missing for nearly two weeks, and authorities are appealing to the public for help ...

William Neil McCasland, 68, was reported missing after leaving his Albuquerque, N.M., home on foot Feb. 27, according to local authorities, who have teamed up with the FBI to find the former military ...