Antimatter exists in the universe and can be created in laboratories, particularly in particle accelerators, where it is produced momentarily before annihilating with matter. While it is challenging to contain significant amounts of antimatter due to its tendency to annihilate upon contact with matter, ongoing research, such as the ALPHA collaboration, studies its properties. Antimatter is also naturally produced through processes like positron emission in proton-rich nuclei and is found in cosmic rays. The early universe likely contained nearly equal amounts of matter and antimatter, but an imbalance allowed some matter to survive annihilation, a phenomenon that remains a mystery. Overall, antimatter continues to be a subject of scientific inquiry, with implications for understanding the universe's composition and fundamental physics.