Magazine

Science

Capturing the night’s “flying flames”

Astrophotography

Cellphone imaging

Science

Ask Astro: What does the prefix NGC mean?

Cosmology

How could the universe experience a period of inflation that would have resulted in faster-than-light travel?

Science

The Sun is a G2V star and Rigel is a B8Iab. How do astronomers get the classifications this precise?

Observing, Planets

Glorious Jupiter reigns all night

Science

What do the terms arcminutes (‘) and arcseconds (“) mean?

Stars

Where does the magnetism in neutron stars come from, as neutrons are neutral particles?

Science

Watch comets in action

Science, Solar System

What’s winter like in Antarctica?

Science

More images of the Helix Nebula

Observing

It’s element-ary