Vibrant Aurora Over Hudson Bay

Vibrant Aurora Over Hudson Bay

The light show dipped south of the Arctic Circle, where it was especially bright over northeastern Canada.

Published Dec 1, 2022

Image of the Day Atmosphere

Mauna Loa Awakens

Mauna Loa Awakens

During the first eruption in nearly four decades, satellites observed the volcano’s nighttime glow and sulfur dioxide plume.

Published Nov 29, 2022

Image of the Day Atmosphere Land Volcanoes Remote Sensing

Phytoplankton May Be Abundant Under Antarctic Sea Ice

Phytoplankton May Be Abundant Under Antarctic Sea Ice

New evidence shows that a sufficient amount of daylight penetrates the ice to sustain blooms of floating, plant-like organisms.

Published Nov 29, 2022

Image of the Day Life Water Snow and Ice Remote Sensing

Hudson Bay’s Nastapoka Arc

Hudson Bay’s Nastapoka Arc

The origin of this nearly perfectly curved shoreline, a feature not often found in nature, has prompted an ongoing geologic debate.

Published Nov 28, 2022

Image of the Day Land Water

Wetlands of Adair Bay

Wetlands of Adair Bay

The estuary system marks the transition between the Great Altar Desert in northwestern Mexico and the Gulf of California.

Published Nov 27, 2022

Image of the Day Land Water