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Space7233 articles archived since 1845

How Does Geometry Explain the Phases of the Moon?

What causes the Moon to change phases throughout the month? Why is it sometimes visible only during the day and other times only at night? What’s the relationship between these times and the Moon’s phases? The answer in all cases is geometry.

September 26, 2017 — Math Dude Jason Marshall

The Neutrino Puzzle

The largest experiment ever to probe these mysterious particles could point the way to new physics

October 1, 2017 — Clara Moskowitz

Cassini's Grand Finale

The Cassini spacecraft has spent the last two decades exploring Saturn and its unique moons, making discoveries that will advance space exploration for years to come. Scientific American editors Lee Billings and Mike Lemonick offer a proper sendoff to this historic orbiter.

September 14, 2017 — Tim Palmieri
Space

Think Outside the Gift Box