Sally Ride Day
Sally Ride Day, May 26, 2026, honors Dr. Sally Ride's achievements and inspires young people to pursue STEM careers through educational activities and awards. more >>
World UFO Day
World UFO Day, June 24, 2026. Explore the mystery of Unidentified Flying Objects, share experiences, and spark imagination. more >>
International Asteroid Day
International Asteroid Day, June 30, 2026: Learn about asteroid detection, prevention, and the importance of international cooperation in protecting our planet. more >>
Moon Day
Join us on Moon Day, July 20, 2026, as we commemorate humanity's first steps on the lunar surface and gaze up at the night sky with a sense of wonder and discovery. more >>
Space Exploration Day
Space Exploration Day, 7/20/2026: Explore humanity's achievements in space travel, scientific discovery, and the universe's secrets. more >>
Woman Astronomers Day
Woman Astronomers Day, 8/1/2026, honoring pioneering women in astronomy, overcoming obstacles, and shaping our understanding of the universe. more >>
Pluto Demoted Day
Pluto Demoted Day, August 24, 2026: Discover the fascinating story behind Pluto's reclassification and explore other astronomy-related holidays and events. more >>
Shooting Star Day
Shooting Star Day, August 24, 2026: Gaze at the night sky, make a wish, and experience the magic of shooting stars. more >>
Carl Sagan Day
Carl Sagan Day, November 9, 2026: Honor the life and legacy of renowned astronomer and science communicator Carl Sagan, exploring science, astronomy, and critical thinking. more >>
December Solstice
Mark the longest night of the year with the December Solstice on 12/21/2026, a time of renewal and new life as the earth tilts back towards the sun. more >>
National Science Fiction Day
National Science Fiction Day, January 2, 2027. Explore the infinite possibilities of science fiction, from reading and watching to creating your own stories. more >>
Earth's Rotation Day
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Extraterrestrial Culture Day
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Pluto Day
Discover the fascinating world of Pluto on Pluto Day, February 18, 2027. Learn about its discovery, unique features, and explore the wonders of our solar system. more >>
March Equinox
March Equinox, 3/20/2027: Mark the beginning of spring in the Northern Hemisphere and autumn in the Southern Hemisphere with a time of balance, renewal, and connection to nature's rhythms. more >>
Alien Abduction Day
Alien Abduction Day on 3/20/2027: Is it a real holiday or just a myth? more >>
International Astrology Day
International Astrology Day, 3/20/2027: Explore the ancient practice of astrology, its significance, and cosmic connections that bind us all together. more >>
First Contact Day
First Contact Day, 4/5/2027: Join the intergalactic celebration of humanity's historic alien encounter, marked by parades, fireworks, and cultural events. more >>
International Day of Human Space Flight
International Day of Human Space Flight, 4/12/2027: Explore humanity's space achievements, milestones, and future endeavors in STEM fields. more >>
Russian Cosmonaut Day
Russian Cosmonaut Day, 4/12/2027: Commemorating Russia's space exploration history and pioneers, including Yuri Gagarin's historic first space journey. more >>
Look Up at the Sky Day
Look Up at the Sky Day on 4/14/2027: Step outside, gaze up, and rediscover the magic of the sky above. more >>
Impossible Astronaut Day
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Alien Day
Join the intergalactic fun on Alien Day, 4/26/2027, with classic sci-fi films, costume parties, and space exploration discussions. more >>
Red Planet Day
Discover the truth about Red Planet Day on November 28, 2027. Is it a real holiday or a mistake? Find out! more >>
Goddard Day
Discover the truth about Goddard Day on March 16, 2028. Could it be a lesser-known holiday or a mistake? Find out more! more >>
