Atmosphere

Sulfur Skies over La Palma
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Sulfur Skies over La Palma

Volcanoes emit sulfur dioxide — a pungent gas that reacts with oxygen and moisture in the air to produce a haze called vog.

Published Oct 20, 2021

Image of the Day Atmosphere Volcanoes Remote Sensing

Auroras Announce the Solar Cycle
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Auroras Announce the Solar Cycle

The 25th cycle is underway, and it brings more frequent opportunities to see the northern lights and southern lights.

Published Oct 14, 2021

Image of the Day Atmosphere Remote Sensing

Eruption Continues at La Palma
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Eruption Continues at La Palma

Cumbre Vieja volcano is making its presence felt from above and below.

Published Oct 9, 2021

Image of the Day Atmosphere Heat Land Volcanoes Human Presence Remote Sensing

Superbolts Carry Super Power
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Superbolts Carry Super Power

Scientists reveal details of a rare type of lightning that stretches into space.

Published Oct 12, 2021

Image of the Day Atmosphere Remote Sensing

Hurricane Sam
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Hurricane Sam

The category-4 storm spun over the Atlantic Ocean, accompanied by Tropical Storm Victor and Saharan dust to the southeast.

Published Oct 1, 2021

Image of the Day Atmosphere Severe Storms