The global system governing nuclear weapons is not anchored in a single treaty but rather a web of agreements, arms-control arrangements, and regional initiatives, each designed to address different facets of nuclear security. While some agreements restrict which nations can possess nuclear weapons, others focus on halting tests, limiting arsenals, or even striving to establish nuclear-weapon-free zones. As of 2025, nine countries—led by the United States and Russia—currently mainta

The Artemis II mission, a landmark achievement in human space exploration, has successfully concluded with a dramatic splashdown in the Pacific Ocean. The mission, which took four astronauts farther than any human before, traversed 4,06,778 kilometers from Earth, reaching the vicinity of the Moon. This daring journey marked humanity’s first crewed mission to the Moon since the Apollo program. The crew, consisting of Commander Reid Wiseman, Pilot Victor Glover, and Mission Speciali