Magazine

Observing

Glenn Chaple’s observing basics: Eyepiece ABCs

Solar System

How would a supernova explosion near our solar system affect Earth?

Observing, Planets

Morning meeting for Jupiter and Venus

Solar System

Where do comets come from and why are their orbits so elongated?

Cosmology

What would happen if a black hole met a 1-solar-mass star made of antimatter?

Observing

Phil Harrington’s binocular universe: Tour two more clusters in Taurus

Science

Bob Berman’s strange universe: Twelve months of strangeness

Observing

Stephen James O’Meara’s secret sky: A Crystal Palace (part 2)

Science

History’s greatest comets

Deep-Sky Objects, Observing

Enjoy more great winter open clusters

Science

More challenging targets in Gemini

Science

Some of our favorite web sites