Notes from the Field

NASA scientists are in the field and write home to tell about it.

The Ocean’s Colors From Space

Phytoplankton in Three Phases

Maiden Voyages

Going With the Flow

Measuring the Pulse of the Ocean

Every Other Breath

Sea to Space Trek: Oceans, the Final Frontier

Zen and the Art of Wirewalker Maintenance

Microbes Run the Show

Hugo Berthelot, biogeochemical oceanographer, is studying phytoplankton organisms and the biochemical processes they take part in. read more

Science Challenges at Sea: A Plumbing Story

Earth Matters

Earth is an amazing planet, and the one that matters most to us. Let’s have a conversation about it.

Satellite Images We Love

Here are a few of the images from our archive that our staff love the most. read more

Using Satellites to Size Up the Severity of Crop Fires in Northern India

February Puzzler

Our latest puzzler is out. Your challenge is to use the comments section to tell us what part of the world we are looking at, when the image was acquired, what the image shows, and why the scene is interesting. read more

A Shape-Shifting Volcanic Island

The eruption of Alaska's Bogoslof volcano has changed the island's size and shape. read more

In Coastal Peru, Fog Begets Life

Have Your Satellite Imagery and Eat It, Too!

Study: Major Middle East Dust Storm in 2015 Was Due to the Weather, Not Human Conflict

A new analysis of satellite suggests the key causes of a major dust storm in 2015 were climate and weather conditions — not the war in Syria. read more

Climate Q&A

Myths, misunderstandings, and frequently asked questions about climate.

Elegant Figures

On data visualization and information design on the Earth Observatory.