A moment of global darkness on December 6

For just a moment on December 6, nearly 9 in 10 people worldwide experience nighttime. Read more about the moment of global darkness.

Historic Keeling Curve data offline after Mauna Loa eruption

The eruption of Mauna Loa has interrupted the historic carbon-dioxide data that measures the Keeling Curve. Read more about the Keeling Curve here.

Audubon Christmas Bird Count starts December 14

The Audubon Christmas Bird Count, held each winter, is one of the longest-running community science projects. You can help collect important data about birds.

Glacier calving in Antarctica: Video and science

Check out this dramatic video of a glacier calving in Antarctica. And read about how scientists' measurements revealed what was happening under the water.

Phytoplankton blooms underneath Antarctic sea ice

Scientists have compiled evidence of phytoplankton blooms under sea ice in the Antarctic thanks to cracks that let the sunlight in. Find out more.

Mauna Loa volcano: No evac orders, but residents on alert

Mauna Loa volcano in Hawaii is erupting for the 1st time in 38 years. As of this morning, the Hawaiian Volcano Observatory reports "no property is at risk."

Atlas of Disaster shows 90% of US counties in last decade

A new report shares an Atlas of Disaster, showing that over the last decade 90% of counties in the United States suffered a major disaster. See the maps.

Are 2 snowflakes ever the same?

Many billions of snowflakes drift down to Earth's surface in the winter. Some are the lacy or star-type snowflakes. Others are what scientists call 'columns.'

Tides, and the pull of the moon and sun

Expect higher-than-usual tides for a few days following the November 23, 2022, new supermoon, and the 4 more new supermoons through March, 2023.

Earth’s shadow: When can you see it?

Like all worlds orbiting suns, our planet Earth casts a shadow. Here are some times to look for it Earth's shadow and the Belt of Venus.