That's the main aim of the Green Lantern Corps, a group formed to keep things in check and each member possessing one of the greatest weapons in the universe -- a power ring. But just what does it ...

The Central Power Battery on Oa would recharge rings through the Green Lantern power batteries given to each member of the corps. The only people who would be chosen for a Green Lantern ring were ...

The series with Kyle Chandler and Aaron Pierre, which just went into production, dives into a murder in Nebraska.

He ended up in a deep coma for years. During the ‘80s, Hal Jordan quit the Green Lantern Corps, and John Stewart became the permanent ring slinger of Sector 2814 (which included Earth).

Looks like HBO's Lanterns has been shaping up well. Last week, the first official image of Kyle Chandler and Aaron Pierre as Hal Jordan and John Stewart was released to the public.