Why has the Sun gone quiet?

Strange behavior may hide deeper meanings within our star.

Fantastic Stars: A field guide

Crushing gravity, intense magnetic fields, and lightning-fast rotations place neutron stars among the most exotic beasts in the stellar menagerie.

How to get kids’ heads in the stars

Gazing through a telescope was once a popular hobby for youth . . . and it can be again.

Memories of the Great American Eclipse

We asked our readers to submit images after the great event. And, boy, did you! Here are some of the best.

Inside Chile’s amazing radio telescope

ALMA unlocks the universe in ways some radio scientists had only dreamed of.

Explore deep-sky objects in Taurus

Point your scope at the Bull this month to capture some worthy celestial ornaments.


Sky this Month
StarDome and Path of the Planets

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