2020 may not set a record, but it looks to be close.

Researchers tapped measurements from aircraft on international flights

Top 10 ways to get up-to-date information on fires and air quality.

In the first comprehensive study of the link between rising sea levels and inland water tables along the California coast, researchers found an increased threat to populated areas already at risk from rising water tables, and the possibility of flooding in unexpected inland areas.

The Greenland Ice Sheet recorded a new record loss of mass in 2019.

Even in earlier warm periods there were pulse-like releases of CO₂ to the atmosphere.

From cities to deserts, the intense heat gripping California is being closely monitored by an Earth-observing mission aboard the International Space Station.

NASA provided a series of photos of Hurricane Genevieve as it affected Mexico’s southern Baja California peninsula.

Atmospheric scientists have analyzed how the February near-total shutdown of mobility affected the air over China. Results show a striking drop in nitrogen oxides, a gas that comes mainly from tailpipes and is one component of smog.

Abrupt climate changes during the Last Glacial Period, some 115,000 to 11,700 years ago, happened at the same time across a region extending from the Arctic to the Southern Hemisphere subtropics, new research has revealed.