Posts by 

Deborah Byrd

Has Comet Elenin split in two or disintegrated?

Infamous Comet Elenin might be self-destructing. Its core appears elongated, and its brightness has decreased - telltale signs of a cometary break-up.

Tropical Storm Katia seen as day breaks over Atlantic

A NOAA satellite captured this wondrous image of what might be a newly forming hurricane, Katia, building today in the eastern Atlantic.

How to see Mars in August 2011

Mars will not look as big as the moon on August 27, 2011. But, in August 2011, you can see Mars as respectably bright ruddy star, in the eastern predawn sky

Irene could bring storm surge flooding to NYC

Hurricane Irene is now Category 2, but it could still cause billions in damages. New York City has ordered the first mandatory evacuations in its history.

4.5-magnitude aftershock rattles DC region

Some Virginia and Washington, D.C. residents woke up in the middle of the night last night to an aftershock from Tuesday's earthquake.

Colorado and East Coast earthquakes not related, says Rafael Abreu

EarthSky interviews a geophysicist about the August 22 and 23, 2011 earthquakes in Colorado and the U.S. eastern seaboard.

5.8 magnitude earthquake rattles Washington D.C. and U.S. East Coast

USGS says a 5.8-magnitude earthquake has rattled the U.S. East Coast. Parts of the Pentagon, White House and Capitol were evacuated.

5.3-magnitude earthquake in Colorado late night August 22

Eight earthquakes shook southern Colorado yesterday and last night (August 22 and 23, 2011) according to the USGS. The largest earthquake was magnitude 5.3.

A more holistic farming approach with water

Because food production requires 70 to 90% of available water resources in some areas, a new approach to holistic farming may be needed.

Antarctica has its first complete ice flow map

The animation illustrates ice flowing thousands of miles from the heart of the continent seaward on Antarctica to its coastlines. The map shows more detail.