Features

Seeking Rogue Comets

If theories about how planets form are right, up to 50 trillion interstellar comets may exist between us and the nearest star.

Toward a New Hubble

NASA’s heading back to the Space Telescope to install two new science instruments and update its technology.

Young, Bright, and Blue

Globular clusters rank among the oldest objects around, but a few new-borns show some may still be forming as galaxies collide.

Sky Almanac

Three bright planets hug the predawn horizon, but Mars and Comet Hale-Bopp are this month’s top events.

Hale-Bopp Takes Center Stage

The long-awaited comet approaches its peak appearance.

Get a Grip on Sharper Seeing

Beat the air’s attempt to run the images in your telescope.

Stabilize Your Bino-Eyes

Build a portable viewer for binoculars for less than $50.

In Search of Faint Galaxies

CCD cameras can capture some forgotten gems.

Collecting This Century’s Last Eclipses

If the Caribbean in February sounds enticing, just wait til you hear about the spectacular total solar eclipse coming there next year.

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