Posts by 

Deborah Byrd

Old moon over Kitt Peak

Founded in 1958 - on a mountaintop in Arizona - this observatory operates its own 3 telescopes and hosts 24 others.

James Webb Space Telescope takes a giant step

It'll have 7 times the collecting area of Hubble, and it's scheduled for launch in 2018. James Webb Space Telescope ... and more on this episode of EarthSky News.

Pluto has mysterious, floating hills

The hills are thought to be fragments of Pluto's rugged uplands that have broken away and are being carried along the flow paths of glaciers.

U.S. Southwest is drying

Researchers identified 12 weather patterns across the region. Over the past 30 years, the 3 patterns bringing rain to the U.S. Southwest became less frequent.

Red Rectangle’s unearthly beauty

A Hubble Space Telescope image of the mysterious Red Rectangle Nebula.

Fossilized lacewing butterfly

A record etched in rock from 120 million years ago shows the fragile beauty of an ancient butterfly-like insect.

See it! All 5 bright planets at once

Best photos from the EarthSky community of the 5 bright planets now visible at once in the sky before dawn. Thanks to all who posted!

Violent, head-on crash created moon

On this episode of EarthSky News, an update on the idea that the early Earth collided with a Mars-sized proto-planet to make the moon. That and more. Join us.

Darn. No caverns on Rosetta’s comet

Low density of comets suggested there might be huge empty caves honeycombed throughout their interiors. Maybe true for some, but not so for Rosetta's comet.

Saturn ring density is an illusion

The most opaque parts of Saturn's rings - the parts that look most dense - don't always contain more material. Another great Saturn mystery!