Magazine

Science

Bob Berman’s Strange Universe: Major mess-ups … maybe

Science

Astro Confidential web extra: Extending the conversations

Planets

Mercury meets the Pleiades

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