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Our World: Phytoplankton – Powering the Ocean Food Web
2 min read

Did you know some of the tiniest living things in the ocean help make the air you breathe? Meet phytoplankton,…

Dec 18, 2025
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Real World: Phytoplankton, Microscopic Drifters
2 min read

What can something smaller than the width of your hair do to our whole planet? A lot! In this NASA…

Dec 17, 2025
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Our World: Systems to Grow Plants in Space
2 min read

No matter where plants grow, they have the same basic needs: water, nutrients, light, temperature, and atmosphere. No matter where…

Jan 30, 2023
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Our World: Plants in Space
1 min read

Find out how plants use light to make their own food in a process called photosynthesis. See how NASA uses…

Apr 9, 2013
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Planetary Analogs: News & Features

Planetary Analogs: News & Features

NASA Fieldwork Spotlight: Iceland

A scientist in a bright safety vest adjusts a handheld spectrometer near an active geothermal fumarole emitting steam, with cracked gray mud deposits and green vegetation visible.

Iceland: Team Atomic

A scientist in a safety vest operates a hyperspectral imaging instrument on a tripod, with a tablet controller connected by cable, overlooking a turquoise geothermal pool.

Iceland: Team SulpHur

A man wearing a green safety vest, red plaid shirt, blue pants, brown boots, and a red backpack crouches down to take a temperature of boiling water near a geothermal vent. In the background, the fluid is grey and pools in small amounts. In the foreground, the dirt is an orange brown and speckled with rocks.