Magazine

Telescopes and Equipment

Make the BT70 binoculars “go-to”

Science

Angular distance and star color

Science

What will happen when the 100-plus-solar-mass star Eta Carinae dies?

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