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.

ONLINE FAVORITES • Go to www.Astronomy.com for info on the biggest news and observing events, stunning photos, informative videos, and more.

The eclipse of a lifetime

Astronomy

ASTRO LETTERS

A DARK WOLF • This shadowy figure stalks the Scorpion through the dense dust lanes of the Milky Way.

HOT BYTES

CARBON DIOXIDE GLACIERS GAVE MARS LIQUID WATER • Insulation from carbon dioxide ice above the polar caps could explain many of the Red Planet’s ancient river features.

Black hole eats faster than allowed

QUICK TAKES

Astronomers urge pause to Starlink launches

VEGA’S SMOOTH DISK IS A MYSTERY

REPORT DOCUMENTS ARECIBO’S COLLAPSE

Visual peculiarities of lunar eclipses • Expect to see the unexpected during this month’s total lunar eclipse.

30 YEARS OF exoplanets • Innovative techniques are enabling astronomers to reveal thousands of worlds beyond our solar system.

Ways to discover exoplanets

THE NEW GOLDEN AGE OF MOON EXPLORATION • Lunar landings aren’t just the province of global superpowers anymore.

WHO OWNS THE MOON?

REWRITING LUNAR HISTORY

MARCH 2025 A total lunar eclipse • THE SOLAR SYSTEM’S CHANGING LANDSCAPE AS IT APPEARS IN EARTH’S SKY.

RISING MOON | X marks the spot

METEOR WATCH | Dusty glow

STAR DOME

PATHS OF THE PLANETS • This map unfolds the entire night sky from sunset (at right) until sunrise (at left). Arrows and colored dots show motions and locations of solar system objects during the month.

WHEN TO VIEW THE PLANETS

COMET SEARCH | Plumbing the Depths

LOCATING ASTEROIDS | Lounging with Leo

HOW BIG WERE THE FIRST GALAXIES? • JWST finds that accreting black holes may explain why early galaxies appeared more massive than they truly are.

MARLEY FOUNDATION ASTRONOMY DISCOVERY CENTER • Lowell Observatory has expanded and improved its guests’ experience by adding an immersive science center.

MARS AND ITS CANALS

EXPLORE THE BRIGHTEST DEEP-SKY OBJECTS • It’s surprising how few of these amateur astronomers have seen.

Starfield Optics’ new scope • This refractor produces excellent results with an eyepiece or a camera.

Maximizing your lunar eclipse • You don’t need special equipment, but you should plan ahead.

NEW PRODUCTS

Lagrangian points • Astronomy’s experts from around the globe answer your cosmic questions.

READER GALLERY

EXPOSING A NEW VISTA

May 2025 A Beehive of activity