Magazine

Galaxies, Stars

Astronomy’s next 10 great discoveries

The Moon

Elvis and the alphabet

Exoplanets, Planets, Solar System, The Moon

Neptune’s summer surge

Cosmology

Are there even preliminary ideas about what dark energy is?

Exoplanets, Planets

Exoplanet mysteries solved

Observing

Planet quirks

Galaxies

How do we get such beautiful, ornate, and symmetrical shapes of galaxies — pinwheels, ovals, spirals, and central bars — when the same gravitational forces are at work as those that affect Earth and the Sun’s other planets?

Astrophotography

CCD imagery of the heavens

Exoplanets, Planets, The Sun

What produces the “blue flash” during sunset?

Science

ALMA’s science, so far

Astronomy for beginners, Deep-Sky Objects

Sagittarius in detail

Astrophotography

The most colorful stars