Gulf of Mexico dead zone likely due to drought

The 2012 Gulf of Mexico dead zone is the fourth smallest since mapping began in 1985 - likely due to drought-induced low amounts of runoff into the Mississippi.

Tornado activity lull April-July 2012 in the U.S.

There's been a lull in tornado activity this week. Meanwhile, Canada had some severe weather and tornadoes. Videos of Canadian tornadoes in this post.

Dave Pieri on keeping planes safe by watching volcanoes from space

Dave Pieri said, "A person in the U.S. or Europe won't be hit with a volcanic blast. That's almost inconceivable. But they might face a threat when they fly."

View from space: Simultaneous storms in western Pacific

Typhoons Saola and Damrey - in this view from space - as viewed by NASA's Terra satellite on August 1, 2012.

Earth’s carbon sinks still absorbing large amounts of CO2

Earth’s carbon, found in Earth’s oceans, forests and other terrestrial ecosystems are still absorbing large amounts of CO2, but the uptake is not expected to continue indefinitely

View from space: Lights of London

A view from space by satellite of London - host of the 2012 Olympic Games - at night.

Russians search Antarctic ice for alien-like life

Russians have penetrated miles of Antarctic ice to analyze waters for alien-like life. EarthSky spoke with oceanographer Chuck Kennicutt.

Unsettled weather for London and the Olympics this weekend

A strong area of low pressure will push eastward into the United Kingdom this weekend, and will likely cause unsettled weather for the Olympic games.

Global tropical cyclone update for August 1, 2012

In this post, a global tropical cyclone update for now and last month, plus an outlook on the near future. Could a hurricane impact your area next week?

Amazon deforestation 1975 to 2012

Striking changes in two satellite images of the Amazon deforestation of the Amazon rainforest between 1972 and 2012.