Posts by 

Eleanor Imster

This small hot spot produces largest U.S. methane concentration

Satellite data show that one small “hot spot” in the U.S. Southwest produces the largest concentration of the greenhouse gas methane seen over the United States.

Video: How can sea ice be melting at one pole and increasing at the other?

If global warming is real, shouldn’t sea ice be declining at both of Earth’s poles? Here's an explanation of what's happening - in under two minutes.

Video: Gulf of Mexico jellyfish swarms

Jellyfish swarms in the Gulf of Mexico can be 100 miles (160 km) long. At their thickest, there can be more jellyfish than there is water.

See it! Best photos of October 8 total lunar eclipse

A beautiful total lunar eclipse. Thanks to all who posted at EarthSky Facebook and G+!

Video: Amazing energy facts

Watch a fun new video from the asapSCIENCE guys.

Are you ready for tonight’s total lunar eclipse?

Total lunar eclipse of April 14-15, 2014 by EarthSky friend and NASA eclipse expert Fred Espenak.

AIDS pandemic origin was 1920s Kinshasa, says study

Between the 1920s and 1950s, a perfect storm of population growth, sex and railway links let HIV to spread from Kinshasa in Africa, across the globe.

Large section of Aral Sea completely dried up for first time in modern history

The Aral Sea - once the fourth largest inland sea in the world - has been shrinking markedly since the 1960s. Now its eastern basin has completely dried.

Sunset in Glacier National Park

Beautiful sunset in northern Montana's Glacier National Park by Sashikanth Chintia Photography.

35,000 walrus come ashore in Alaska

Pacific walrus that can't find sea ice for resting in Arctic waters are coming ashore in record numbers on a beach in northwest Alaska.