He and his family were subject to repeated intrusions on his property in Pahrump. Air Force as a medic during the Vietnam War and in his free time operated a pirate radio station at Amarillo Air Force Base.

Syndication of his program to other radio stations began in 1993.

During the early 1970s, Bell lived in Watsonville, California and worked for KIDD 630 AM in Monterey, California.

Bell founded and was the original owner of Pahrump, Nevada-based radio station KNYE 95.1 FM. died in 2000, and Jane Bell died December 23, 2008. After leaving military service he stayed in Asia, living on the Japanese island of Okinawa where he worked as a disc jockey for KSBK, the only non-military English-language station in Japan.

His broadcast studio and transmitter were located near his home in Pahrump while he hosted Coast to Coast AM except from June to December 2006, when he lived in the Philippines. Bell has always been interested in radio, and at the age of 13 became a licensed amateur radio operator. While there, he set a Guinness World Record by staying on the air for 116 hours and 15 minutes.

Many in the media did not want to be blamed for inciting anti-government or militia actions like the bombing.

Subsequently, Bell discussed off-beat topics like the paranormal, the occult, UFOs, protoscience and pseudoscience.

Some of Bell’s regular guests, particularly Hoagland, continue to be regular guests on Coast to Coast AM now hosted by George Noory.

Bell's own interests, however, extend beyond the paranormal.

He started a new nightly show, Art Bell's Dark Matter, on Sirius XM Radio that began on September 16, 2013 He returned to radio on July 20, 2015 with a new show, Midnight in the Desert, available online, via Tune In, and on some terrestrial radio stations.

He retired yet again on December 11, 2015, citing security concerns at his home.

He also created and hosted its companion show Dreamland.