Bomb cyclone hits California with rain and snow

A bomb cyclone hit California this week, bringing high winds plus heavy rains and snow. More rain is on the way as the atmospheric river continues.

Why does an evergreen tree have a pyramid shape?

Those who admire the pyramid shape of an evergreen tree might enjoy knowing that its shape has evolved in response to wind, snow, and light.

How plants control their ‘mouths’

Scientists have learned from new research how plants control their 'mouths.' That is, they've learned the mechanism that lets plants breathe in carbon dioxide.

Flocking to Fire: Americans moving to regions of wildfire danger

In a new study titled Flocking to Fire, researchers found that Americans are moving away from areas of hurricanes but into places prone to wildfire danger.

Why is the Southern Hemisphere stormier?

Why is the Southern Hemisphere stormier than the Northern Hemisphere? Scientists look to ocean circulation and mountain ranges for answers.

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.

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."