Astronomy & Space Exploration

Get ready for the August 21, 2017 total solar eclipse.

Explore webcasts, stories, dispatches, photos, and articles of total and annular solar eclipses and transits.

See evidence of invisible cosmic rays with Cloud Chamber.

Get a sneak peek of the InSight Mars mission.

Looking at the night sky can help you see how your eyes and brain make sense out of moonlight.

Are there earthquakes on Mars? Or rather, “marsquakes?"

Join us to learn about NASA's InSight Lander mission.

Explore the twinkling of stars by beaming a laser pointer over a hot plate.

Model the patterns of sunlight and shadow on Earth.

Watch and listen as Wayne Grim turns light into sound.

by Liz Ball • September 14, 2017

Cassini prepares for the end of an era.

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