The NASA International Space Apps Challenge, held October 5-6, is inviting participants to utilize NASA’s free and open data, as well as its 15 Space Agency Partners space-based data, to address issues we face on Earth and in space. This global hackathon offers the opportunity for participants of all ages and skill levels to use their ingenuity to address 20 challenges written by NASA subject matter experts by proposing new technologies, finding actionable use for data, and inspiring learning and innovation. Challenges range in difficulty and topics range from our changing climate, data visualization, space exploration, and more. Register here.