Magazine

Observing

Binocular Universe web extra: All around Coma Berenices

Science

Is there a simple way for amateur collectors to determine if meteorites for sale are authentic?

Telescopes and Equipment

Take a second look at Orion’s StarBlast 6

Cosmology

The curious matter of the missing matter

Observing

Phil Harrington’s Binocular Universe: Comb through Coma Berenices

Science

Newton’s universe

Stars

Why do images of stars often show four spikes radiating from the stars’ centers?

Observing, The Sun

Stephen James O’Meara’s Secret Sky: Searching for shadow bands

Science

A cosmos with no beginning or end

Exotic Objects

Can a black hole swallow an entire galaxy?

Observing

Glenn Chaple’s Observing Basics: A swarm of stars

Science

Ask Astro web extra: How do X-ray telescopes work?