Features

Diving for Spacecraft

Nearly 40 years after Gus Grissom’s Mercury spacecraft ended up on the bottom of the Atlantic, intrepid explorers found and recovered it.

Heart of Darkness

A black hole with more than a million times the mass of the sun wreaks havoc and triggers starbirth in the heart of our galaxy.

Eclipse Chasers on Safari

More than three minutes of fiery prominences and a pearly white corona punctuated an incredible journey to southern Africa.

The Next Generation

The new 6-inch Newtonian reflector from Jim’s Mobile, Inc. proves to be a nearly ideal instrument for seeing planetary detail and brighter deep-sky objects.

Celestial Portraits: Sagitta, Delphinus, and Vulpecula

Dazzling star clusters and a gorgeous planetary nebula make this trio of small autumn constellations fertile ground for backyard observers.

The Planetarium Revolution

As digital technology works its way down to planetariums, wide-eyed visitors are experiencing the universe in entirely novel ways.

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