Astronomy

The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in a user-friendly style that's perfect for astronomers at any level.

Copernicus and his revolution

Astronomy

ASTRO LETTERS

RED WINGS • The Spitzer Space Telescope catches a star-studded butterfly.

HOT BYTES

FIRST-EVER BLACK HOLE IMAGE • After two decades theorizing about imaging a black hole directly, a worldwide collaboration has finally delivered.

QUICK TAKES

NASA releases final Twins Study results • Although spaceflight triggers numerous changes in the human body, most of them are only temporary.

HOW TO MAKE THOLINS

Hubble spies self-destructing asteroid

The mystery of Mars’ methane • Conflicting reports of the gas on the Red Planet leave scientists scratching their heads.

A COLORFUL CLUSTER

NASA TESTS EUROPA CLIPPER’S ANTENNA

Israeli lander crashes into the Moon

Speedy meteors, sluggish thoughts • “How fast?” is a relative question.

A citadel of wonder • Explore a weird section of lunar terrain.

Ultima Thule Revealed • NASA’s New Horizons spacecraft revealed this distant Kuiper Belt object to be a contact binary with many odd twists.

A visit to CHILESCOPE OBSERVATORY • A trip south of the equator meant lots of work, but also some once-in-a-lifetime observations.

August 2019 Mercury’s morning glory • DESCRIBING THE SOLAR SYSTEM’S CHANGING LANDSCAPE AS IT APPEARS IN EARTH’S SKY.

RISING MOON • The Sun lights up Luna’s low-lying hills

METEOR WATCH • Summer’s most prolific show takes a hit

STAR DOME PATHS OF THE PLANETS

PATHS OF THE PLANTS

COMET SEARCH • Roaming the northern Milky Way

LOCATING ASTEROIDS • A rocky world crosses the celestial sea

How COPERNICUS moved the Sun • This astronomer’s ideas forced humanity to consider our planet a ball of rock circling the fiery Sun, and not at the center of the universe.

500 YEARS LATER

Tackle a GLOBULAR CLUSTER SHOWDOWN • Which of these marvelous stellar groups looks best through your telescope?

WHAT ABOUT CYGNUS?

A CHILE afternoon in the MOON’S SHADOW • Observers along a narrow track that crosses South America will witness darkness at midday July 2.

Become a binocular Olympian • The Stellafane meeting hosts a great secret.

NEW PRODUCTS

Let’s dissect the Scorpion • Look for a supergiant, a variable star, and much more in this stellar showpiece.

How black holes spin • Astronomy’s experts from around the globe answer your cosmic questions.

Cosmic portraits

BREAK THROUGH

STAR DOME