What exactly does it mean for storms to get “stronger”? Does it mean faster winds? A larger wind field? Lower pressure at the center? More rain and snowfall? Higher storm surges? “You have to remember ...

One of the greatest tools used by oceanographers today for measuring ocean processes is the CTD. CTD stands for Conductivity, Temperature and Depth. Conductivity is a measure of ocean salinity. The ...

Today (March 8, 2015) marks our tenth day in Kulusuk. We are now officially three days late getting into the field. This is pretty typical for field work in this area but we are still a bit restless, ...

Four years ago today, one of the largest non-volcanic landslides in U.S. history began high on the northern wall of Utah’s Bingham Canyon mine. During two main bursts of activity that day, several ...

When NASA launched the Nimbus-4 satellite 50 years ago, nobody knew the ozone layer over Antarctica was thinning. And nobody knew that chlorofluorocarbons (CFCs)—long-lived chemicals that had been ...

The creosote bush (Larrea tridentata) is a medium-sized evergreen shrub. It has small pointed green leaves with a waxy coating. These leaves have adapted to conserve water and survive high ...

EO Kids, a publication from the Earth Observatory, highlights science stories for a younger audience. In our new edition, we explore the swirling seas of phytoplankton blooms and create your own NASA ...

Recognizing that different people and businesses treat their lawns differently, she had a computer simulate the effect on the water cycle and carbon cycle of different lawn management techniques. The ...

Among the mysteries of the South American Monsoon, explains Fu, is how the first thunderstorms of the wet season get started. A monsoon is an atmospheric see-saw in which the large-scale circulation ...

Welcome, teachers, to Mission: Biomes! This site was designed for teachers to use in classrooms as a supplementary, interdisciplinary unit. Mission: Biomes is especially appropriate for grades 3 ...

The warm, shallow ocean waters of the tropics have talkative “forests” of their own. Brightly colored mounds of coral grow in the warm ocean waters, quickly when nutrients are plentiful and more ...

Among the most serious Earth science and environmental policy issues confronting society are the potential changes in the Earth’s water cycle due to climate change. The science community now generally ...