Magazine

Telescopes and Equipment

How do CCDs work?

Exoplanets, Planets, Robotic Spaceflight, Solar System

Spy on the Mars Curiosity rover

Science

How can the Sun’s and Earth’s gravities provide a Lagrangian point on the side of Earth opposite the Sun? Don’t their combined gravities equal each other only at locations between the objects?

Exoplanets, Planets, Solar System, The Moon

Jupiter’s all-night show

Alien Life, Exoplanets, Exotic Objects, Galaxies, Planets, Solar System, Stars, The Moon, The Sun

The past year’s other huge space stories

Alien Life, The Moon

More missions that looked for Moon water

Cosmology

Why does Hubble look for sulfur in the universe?

Astrophotography

Masking the stars

Telescopes and Equipment

Astro-freebies

The Moon

Beautiful Endymion

Deep-Sky Objects

Very faint nebulae

Exoplanets, Planets

Do other planets have thunder and lightning?