Digest Template: Category

Home

/

The year’s earliest solar noon is on November 3

November 3 brings the year's earliest solar noon - that is, earliest midday - by nature's clock. It's a harbinger of the Northern Hemisphere's earliest sunset.

Bruce McClure

November 2, 2025

Double stars: How to find, observe and enjoy them

This observing guide gives you a range of choices for seeing double stars with your eyes alone, with binoculars or with a telescope. And some are easy to find.

Kelly Kizer Whitt

October 26, 2025

Alpheratz belongs to Andromeda, but is part of the Great Square

Alpheratz appears to our eyes as a single star but it is actually a close binary star system. Many stargazers use it to locate the Andromeda galaxy.

Larry Sessions

Deborah Byrd

EarthSky Voices

October 9, 2025

The Super Harvest Moon overnight on October 6-7

In 2025, look for the October full moon - the Harvest Moon - on October 6. It's the first of four supermoons in a row.

Deborah Byrd

October 5, 2025

Exoplanets are worlds orbiting other stars

Exoplanets are worlds orbiting distant stars. Watch a video with an astronomer who studies them. Learn the history of our knowledge of exoplanets, and more.

Andy Briggs

October 1, 2025

The Big Dipper: Why can’t you see it now?

The Big Dipper is easy to recognize at most times of the year. But the Big Dipper in autumn rides low in the northern sky in the evening hours.

Deborah Byrd

September 26, 2025

Deep partial solar eclipse today. Watch live here

A deep partial solar eclipse will occur on September 21, 2025. The path sweeps across the South Pacific including New Zealand and parts of Antarctica.

Marcy Curran

September 20, 2025