Magazine

Science

Venus and Jupiter meet again

Science

The northern lights over Norway

Science

Binocular universe web extra: Tour additional clusters in Cassiopeia

Stars

Stars for all seasons

Science

Take a trip on the interplanetary superhighway

Science

Ask Astro web extra: Can an observer on Mars see Earth transit the Sun?

Science

Meteorites and meteorwrongs

Science

When will the New Horizons spacecraft overtake Voyager 1 as the most distant human-created object in space?

Observing

Stephen James O’Meara’s secret sky: The day the Sun crawled

Exoplanets

The search for exoplanets

Observing

Glenn Chaple’s observing basics: Clearing the air about seeing vs. transparency

Science

How do you draw the line between a large globular cluster and a dwarf spherical galaxy?