In 'The Cult Next Door: The Mystery and Madness of Heaven's Gate,' Diane Sawyer explores the Heaven's Gate cult and the shocking discovery of the largest mass suicide on American soil 25 years later.

New '20/20' special decodes mysteries of Heaven's Gate cult, largest mass suicide on American soil The extraordinary Diane Sawyer Event Special is now streaming on Hulu.

A former Heaven's Gate member was found dead and another was found unconscious Tuesday in a hotel room in what appeared to be an attempt to imitate the cult's mass suicide.

On approaching former Heaven's Gate cult members as former member of a similar group I hope that the people that I spoke to came away from our interviews feeling like I wasn't trying to exploit them.

The last two names of the Heaven's Gate cult members found dead in the mass suicide here were released Monday, and authorities said they were moving to wrap up their investigation because they ...

However, this excitement has been overshadowed by a legal threat from the surviving members of the infamous “ Heaven’s Gate ” cult, who claim that Uzi’s album artwork closely resembles ...

It's likely that you've at least heard of Heaven's Gate even if you don't necessarily know a ton about the infamous cult. In 1997, members of the cult committed suicide in order to reach an alien ...