The Sun

The Sun seems unchanging, but solar flares, prominences, and sunspots often pop up and disappear. Safely observing the Sun can be both fun and rewarding.

The Sun, Upcoming events

The greatest eclipse for the rest of our lives

The majestic crown of the active Sun reveals itself with countless streamers, as imaged through high, thin clouds from Torreón, Mexico.

2024 Solar Eclipse, The Sun

A look back: The Great North American Eclipse delivers

The corona is made of hot, glowing plasma flying off of the Sun. It can only be seen when the Sun is completely eclipsed. Credit: Blake Estes

Observing, The Moon, The Sun, Upcoming events

Solar eclipse: Plan for the next big one in North America

The Sun rises at Stonehenge.

Observing, The Sun

Will the Sun always shine through Stonehenge on the solstice?

Astrophotography, Observing, The Sun

Your best pictures of this past weekend’s aurorae

The Aurora, as seen from Earth.

Solar System, The Sun

A solar storm the size of the Carrington Event could knock out the backbone of the Internet

Are we ready for the next big solar storm?

Observing, The Sun

These are the safe ways to look at the Sun (and you know you want to)

Solar System, The Sun

When did we realize that Earth orbits the Sun?

Eclipse glasses from Astronomy.

2024 Solar Eclipse, Observing, Science, The Sun, Upcoming events

The best equipment to see the 2024 eclipse

A combination of two images taken during a total solar eclipse in 2009 on the board of the ship in neighborhood of Iwo Jima Island. Credit: Marta and Michal Zolnowski

2024 Solar Eclipse, Observing, The Sun, Upcoming events

How long will the solar eclipse last? A max of 4:28 along the path of totality

Observing, The Sun, Upcoming events

The ‘devil comet’ will be visible during the 2024 total solar eclipse

Popular Observing Topics

Credit: NASA Goddard Space Flight Center/Public Domain via Wikimedia Commons.

The Sun

Safely observing the Sun can be a fun and rewarding experience.

Credit: Ted Hauter.

The Moon

Our nearest celestial neighbor provides many great sights.

Planets

Targeting our solar system’s other worlds is well worth the effort.

Credit: Tony Hallas.

Deep-Sky Objects

Nebulae, star clusters, and galaxies are the night sky’s hidden gems.

Credit: Celestron.

Telescopes & Equipment

Explore the tools that can help you unlock the night sky.

Credit: Peter Michaud, Gemini Observatory.

Astrophotography

Capturing great celestial sights is both an art and a skill.

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