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Beneath the Surface

Where California’s towering Sierra Nevada mountain range surrenders to the sprawling San Joaquin Valley, a high-stakes detective story is unfolding. The culprit isn’t a person but a process: the mysterious journey of snowmelt as it travels underground to replenish depleted groundwater reserves.

NASA Radar Technology about Beneath the Surface

Earth Information Center

For more than 50 years, NASA satellites have provided data on Earth's land, water, air, temperature, and climate. NASA's Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.

Start Exploring about Earth Information Center
Thistle blooms provide a midday meal for a gulf fritillary butterfly at Merritt Island National Wildlife Refuge in Florida. NASA’s Kennedy Space Center shares boundaries with the refuge, which is home to more than 330 native and migratory bird species, along with 25 mammal, 117 fish, and 65 amphibian and reptile species.

Making Ripples

A dolphin’s dorsal fin cuts through the water in the Launch Complex 39 Area turn basin at NASA’s Kennedy Space Center in Florida.

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