Physicists have succeeded in creating the first quantum bit (qubit) using antimatter—specifically a single trapped antiproton—achieving a nearly one-minute spin coherence time. Published in Nature, this accomplishment marks a milestone in controlling antimatter particles and could provide insights into fundamental physics questions, such as the asymmetry between matter and antimatter in the universe. Although practical antimatter-based quantum computers remain challenging, this breakthrough establishes key experimental groundwork for future quantum technologies and fundamental science explorations.