World Space Week 2026 begins today, October 4, with the theme "Rocket Revolution" — a week-long global celebration of how reusable rockets, commercial launch companies, and new space nations are transforming access to space. The United Nations-declared event runs October 4–10 in 100 nations, making it the largest annual space event in the world.
Why World Space Week Is Held October 4–10
The dates are no accident. October 4 marks the 1957 launch of Sputnik 1, the world's first Earth-orbiting satellite, whose faint "beep beep" from orbit shocked the world and opened the Space Age. October 10 marks the entry into force of the Outer Space Treaty on October 10, 1967. The UN General Assembly proclaimed World Space Week in resolution 54/68 of December 6, 1999, to celebrate the contributions of space science and technology to humanity.
The 2026 Theme: Rocket Revolution
Each year's theme is chosen by the World Space Week Association Board of Directors together with the UN Office of Outer Space Affairs. For 2026, it is "Rocket Revolution," spotlighting the rapid transformation of space launch: once limited to a handful of government programs, access to space is now expanding through commercial launch providers, reusable rockets, university teams, startups, and emerging national space actors.
"This year's theme is the Rocket Revolution," said World Space Week Association President Dennis Stone. "It recognizes how increased space access and falling launch prices have stimulated the space ecosystem and exciting new space applications." The 2026 Honorary Chair is Tory Bruno, president and CEO of United Launch Alliance.
How the World Is Celebrating
Tens of thousands of events are expected across more than 100 countries this week. Last year's edition set a record of nearly 50,000 activities in 102 nations. Planned highlights for 2026 include:
- ESA and The Pokémon Company International hosting a Europe-wide family exhibition combining real space science with Pokémon, plus special Pokémon GO activities at participating museums.
- BBC StoryWorks premiering its new online series Space Renaissance.
- NASA's Kennedy Space Center Visitor Complex hosting a World Space Week Expo featuring Space Shuttle Atlantis, highlighting the Rocket Revolution.
- Students and rocket clubs launching model rockets — in the U.S., enthusiasts will fly Vulcan model rockets provided by United Launch Alliance and Estes.
- Saudi Arabia's Ministry of Education and Pakistan's SUPARCO leading large-scale national celebrations with thousands of schools and events.
How You Can Take Part
Anyone — schools, universities, space agencies, companies, or individuals — can register a space-related event for October 4–10 on the official World Space Week site, and anyone can look up events near them. The Association especially hopes this year's rocketry theme will inspire students toward STEM careers and help space companies recruit for the expanding commercial space industry.
Takeaway: Nearly seven decades after Sputnik 1's beep, World Space Week 2026 celebrates a launch industry transformed — where reusable rockets, startups, and universities have opened orbit to more nations, industries, and applications than ever before.
Watch: Tory Bruno, Honorary Chair of World Space Week 2026, kicks off the Rocket Revolution celebration — the ULA CEO on why launch innovation is the engine of progress and peace.