Arctic Sea Ice: The New Normal
The Arctic’s frozen waters have entered a radically new state.
Storing CO2 to Protect the Climate
How a deep-drilling experiment is fighting climate change.
Shrinking Glaciers: A Chronology of Climate Change
Scientists analyze ancient glaciers to understand climate change today.
Water Underground
Drought stressed the groundwater stores of the southern United States in 2011 and 2012.
El Niño to La Niña
In 2010, El Niño switched quickly to a strong La Niña, resulting in intense weather.
On Shaky Ground: Building a Safer Future in Haiti
Scientists map Port-au-Prince's earthquake zone in detail.
Monitoring Mount Etna: Magma on the Move
Volcanologists use every device at their disposal to monitor Sicily's Mount Etna.
Ozone's Slow Recovery
Although 2010’s ozone hole was sizeable, Earth’s ozone layer is on the mend.
Zircons: Time Capsules from the Early Earth
Ancient mineral crystals help scientists understand Earth's earliest era.
GRACE: Tracking Water from Space
An innovative twin-satellite mission is watching water move across our blue planet.