Posts by 

Deborah Byrd

Comet ISON on November 10, 2013

Comet ISON's two tails are a sign that the comet is drawing closer, and closer, to the sun that binds it in orbit. It'll be closest to the sun on November 28.

Sun’s magnetic field about to flip

This reversal happens every 11 years and is tied to the sun's cycle of activity, now near its peak. The effects of the reversal will ripple throughout the solar system.

Super Typhoon Haiyan pounds the Philippines

Super Typhoon Haiyan, called Yolanda in the Philippines, made landfall as one of the strongest storms ever recorded on Earth.

Why Super Typhoon Haiyan was so powerful

Low wind shear and warm ocean temperatures exist in the Pacific now. That's why Haiyan grew into one of the strongest - perhaps the strongest - storm ever recorded.

Great photos: Moon and Venus on November 6, 2013

Some wonderful images of last night's moon and Venus, as seen from around the world. Thanks to all who posted on EarthSky's Facebook page!

Galaxies near and far: Milky Way and Andromeda

Central starry pathway is the Milky Way, our home galaxy. The Andromeda galaxy is an elongated fuzzy patch, just right of center.

Bent trees on the shores of Lake Michigan

Ken Scott was hiking at the Sleeping Bear Dunes National Lakeshore, in Michigan, when he came upon these bent trees.

Check out this Comet ISON interactive model

Comet ISON interactive model visualizes comet's current position, trajectory, and important moments as Comet ISON hurtles toward its encounter with the sun.

Four comets in one night

"Four comets in one night - an opportunity too rare to be missed." - Zlatan Merakov

Eclipse day Sunday, November 3

Beautiful photos of Sunday's eclipse - November 3, 2013 - taken from an eclipse-chasing airplane at 43,000 feet over the Atlantic.