Thanos #3 (2003)

Epiphany: Part 3 of 6: Alone! - Written by Jim Starlin. Art and Cover by Jim Starlin and Al Milgrom. Galactus flashes back to his origins while his calculations are revealed to us: Galactus has found a way satiate his hunger indefinitely! Thanos attempts contact (via Moondragon's powers) and learns part of the plan. Galactus causes a sun to go nova to open a portal to another realiy in order to obtain a peculiar fanged skeleton, which has one of the Infinity Gems on its breastbone.