Hurricanes often feature small-scale clouds characterized by finger-like appearances pointing toward the hurricane eye. New research offers clues about how they form.

Modeling volcanic eruptions based on actual sulfur dioxide emissions, rather than preset assumptions, better matches historical cooling patterns recorded in tree rings.

January 2025 was the coldest January since 1988 and sixth driest on record for the nation.

Released in 2023, the Fifth National Climate Assessment (NCA5) includes an Art × Climate gallery. This work by Linda Gass highlights the historical shoreline of San Francisco Bay.

La Niña's fingerprints are on the February climate outlook for the United States, but what other factors are at play?

Along the Mid-Atlantic Coast, sea level changes are growing more extreme. A new study finds these shifts are driven primarily by changing wind patterns.

There is a lot more to the polar vortex than disrupted winds and increased odds for cold weather.

A deep dip in the jet stream brought Arctic air to the South, where it collided with moisture from the Gulf of Mexico.

A recent study found that extensive weakening of the Atlantic Meridional Overturning Circulation occurred in the 2000s, but has paused since the early 2010s due to a tug-of-war between the natural and anthropogenic signals.

As the Los Angeles area faces severe wildland-urban interface fires, scientists are racing to understand the complex mix of pollutants from burning homes, vehicles, and infrastructure that remains largely unknown.