In this illustrated problem set, students use pi to reveal the size of a planet outside our solar system, find out how much helium is raining out from Jupiter's cloud tops, locate a seismic event on Mars and study an interstellar object detected in our so

In this illustrated math problem, students use pi and data from the Kepler space telescope to find the size of a planet outside our solar system.

Students learn about scale models and distance by creating a classroom-size Earth-Moon system.

What is sea-level rise and how does it affect us? This "Teachable Moment" looks at the science behind sea-level rise and offers lessons and tools for teaching students about this important climate topic.