HENRY FOUNTAIN

As much of the United States plunges into a deep freeze, scientists continue to debate how rapid Arctic warming is playing a role.

Scientists made a huge breakthrough on the road to emissions-free power. Here’s what that means, and doesn’t mean.

Nearly 23 million acres burned from 1982 to 2020. But almost half of that occurred in 2019 and 2020, and the region may be near...

Scientists warn that global warming is altering South Asia’s epic rainy season in dangerous ways. Our reporter went to investigate.

Scientists say water vapor injected into the stratosphere by the volcanic eruption in January may have a slight, though temporary, warming effect.

As global warming passes certain limits, dire changes will probably become irreversible, the researchers said, including the loss of polar ice sheets and the death...

The warming at the top of the globe, a sign of climate change, is happening much faster than previously described compared with the global average,...

The federal government has told states to agree on urgent water cuts to ensure dams can keep generating power. Researchers say reductions once considered “unthinkable”...

The overall threat to the animals from climate change remains, but a new finding suggests that small numbers might survive for longer as the Arctic...

In January, a satellite detected 13 plumes of methane, a potent planet-warming gas, coming from the largest coal mine in Russia.