VIENNA, Austria, Oct. 4, 2026 - The official theme for World Space Week 2026 is 'Rocket Revolution', focused on recent launch technology advances. ^[1] World Space Week 2026 will be held from 4 October 2026 to 10 October 2026 in over 100 countries. ^[2] World Space Week is an annual event established by the United Nations General Assembly. ^[3] 4 October marks the anniversary of the 1957 launch of Sputnik 1, the first artificial Earth satellite. ^[4] Google will publish a dedicated homepage Doodle to mark the 2026 World Space Week. ^[5] The theme 'Rocket Revolution' highlights rapid advancements in rocket technology, including reusable rockets and new launch vehicles. ^[6] Impact Insight. World Space Week is held every year from 4 to 10 October, spanning the anniversaries of the first satellite launch and of the Outer Space Treaty coming into force. The link to planetary defense is indirect: public interest in space helps sustain the long-term work of finding and tracking near-Earth asteroids.