Magazine

Stars

Seek out two variables

Solar System

Message from the innermost planet

Robotic Spaceflight

Talking to spacecraft

Telescopes and Equipment

View dark nebulae with your Meade scope

Alien Life, Science

Bob Berman’s strange universe: Ask the aliens

Human Spaceflight

Does the debris left behind by comets pose a hazard to the International Space Station?

Observing

Glenn Chaple’s observing basics: See double tonight

Science

High on Mars and the Moon

Observing

Phil Harrington’s binocular universe: Take a small tour of the Big Dog

Solar System

Why is the Sun’s corona so hot?

Exoplanets

What is the difference between a planetesimal and a dwarf planet?

Observing

Stephen James O’Meara’s secret sky: Orion’s phantom loop, part 2