The International Astronomy and Astrophysics Competition is an educational astronomy competition open to students from around the world. In three rounds, students use their problem-solving skills and expand their knowledge through diverse astronomy and astrophysics problems. Since its launch in 2019, IAAC has reached over 28,000 students and involved 1,400 educators from more than 120 countries.

This year's prizes include telescopes signed by the astronaut Frank De Winne and Nobel Prize laureates François Englert, Michel Mayor, Gerard 't Hooft and Didier Queloz.

The submission deadline for this year's Qualification Round is Friday, 4 July 2025

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