Posts by 

Deborah Byrd

Meteor season ahead!

Mount Rainier, the Milky Way and a Perseid meteor! Plus a look forward to April's Lyrid meteor shower.

See it! Venus, Mars, moon March 21-22, 2015

EarthSky community photos of dazzling planet Venus and the moon - with fainter Mars nearby - on the nights of March 21 and 22, 2015.

Another seasonal signpost

Earth's tilt on its axis causes the seasons. The tilt causes the Northern and Southern Hemispheres to trade places, in receiving the sun's rays most directly.

Awesome St. Paddy’s Day aurora!

Photos from the EarthSky community of the March 17, 2015 aurora.

It’s been snowing in Hawaii

Check out this early March 2015 Landsat image of snowfall on Mauna Kea, Hawaii's highest point.

Colors of life on exoplanets

Scientists measure chemical fingerprints for 137 different microorganism species. They hope astronomers will use the colors to recognize life on distant planets.

Possible rings around minor planet Chiron

Chiron is the second minor planet and the second centaur - orbiting beyond Jupiter in the outer solar system - suspected to have a ring system.

Frozen bubble

Jocelyne Dupuis in Canada took advantage of the recent freezing weather to capture this cool image of a frozen soap bubble. Thanks, Jocelyne!

Milky Way has 3 more satellite galaxies

At least! Six other objects could be either dwarf galaxies or globular clusters. These humble Milky Way satellites are a key to the dark matter puzzle.

New explanation for Siberia’s mystery craters

More new mystery craters reported in Russian media last month. A Russian scientist calls for "urgent investigation." Other scientists suggest a new cause.