SUNSET: 
Famous and Noteworthy Astronomers
Palomar's First Woman Director Leads Historic Observatory to New Era in Transient Astronomy
Astrophysicist Mansi Manoj Kasliwal, whose work has been key to understanding the changing infrared sky, is guiding Palomar Observatory into its next chapter.
Famous and Noteworthy Astronomers
Music and Science Unite in the Work of Cosmologist Stephon Alexander
A fight against conventionality has driven cosmologist Stephon Alexander on a groundbreaking journey through theoretical physics.
Astrophotography: Tips & Techniques
Royal Observatory Greenwich / ZWO Astronomy Photographer of the Year
See the images that won the 2025 Astronomy Photographer of the Year award.
The Milky Way Returns to the Night Sky in a Tide of Starlight
The summertime Milky Way ascends in the east on May nights. Find a dark sky and let it take you away!
Famous and Noteworthy Astronomers
Donna Elbert and the Table on Page 208
Working 30 years for the legendary astrophysicist, the self-taught mathematician calculated a key value necessary for a planet to sustain a global magnetic field, and thus life — a breakthrough overlooked for half a century.
Modest Expectations Give Rise to Delight
If we amateur astronomers lean into discovery, there's no limit to the breadth of wonder under a wide-open sky.
The Best Meteor Showers in 2025
You’ll fight a bright Moon to watch August’s beloved Perseid meteor shower in 2025. But it should be an excellent year for December’s strong Geminid shower.
How To Get Started with that New Telescope
How to start successfully with your new telescope — a guide to what you need to know, how to set it up, and things you can start finding with it in tonight’s sky.
Famous and Noteworthy Astronomers
Cecilia Payne-Gaposchkin: The Woman Who Unraveled the Stars
The groundbreaking research of Cecilia Payne-Gaposchkin revolutionized our understanding of stellar composition. Yet her legacy was almost forgotten.
Famous and Noteworthy Astronomers
Beverly Turner Lynds, 1929–2024
Beverly Lynds, a pioneer for women in astronomy and astrophysics, advanced the study of dust-and-gas clouds in the Milky Way.
Astrophotography: Tips & Techniques
See the Photos that Won the Royal Observatory Greenwich's Astronomy Photographer of the Year Awards
The Royal Observatory Greenwich has announced the winners of the 16th annual Astronomy Photographer of the Year contest.
Famous and Noteworthy Astronomers
Helen Sawyer Hogg: Giving the Stars to Everyone
Helen Sawyer Hogg stood at the front of a small but growing force of woman astronomers in the first half of the 20th century. This is her story.
Astronomy for Beginners: How to Get Started in Backyard Astronomy
Astronomy doesn’ deserve its reputation as a tough, expensive hobby. You just need to begin with the right advice.
Astrophotography: Tips & Techniques
Como Fotografiar el Eclipse Con un Smartphone
Antes de intentar fotografiar el eclipse con su smartphone, lea el consejo de estos expertos.
Qué Buscar y Cuándo Durante un Eclipse Solar Total
Los fenómenos astronómicos y terrestres que no se debe perder durante el eclipse solar total del 8 de abril de 2024.
Cómos y Porqués De Los Eclipses Solares
Conviértase en un experto en eclipses para familiares y amigos en un par de minutos
¿Qué es la Eclíptica?
La eclíptica, dicho de manera simple, es el plano de la órbita de la Tierra alrededor del Sol.
Eclipse Apps, Books, Videos: Resources for the 2024 Total Solar Eclipse
Find some of our favorite resources for the April 8, 2024, solar eclipse, including apps, video explainers, children's activities, and books.
Astrophotography: Tips & Techniques
Eclipse Photography: Framing the Eclipse
Here are several ideas photographers can use when shooting their next total solar eclipse.
Astrophotography: Tips & Techniques
Eclipse Photographer’s Checklist
For those preparing to photograph a total solar eclipse, Fred Espenak shares his eclipse photography checklist.
