Although the Trump administration has taken steps to scuttle or downplay other reports about climate change, this one struck ...

The Arctic has experienced its hottest year since records began, a US science agency announced Tuesday, as climate change ...

To create the report card, scientists recorded the status of the atmosphere, oceans, cryosphere, and tundra. The report card ...

The Arctic is rapidly changing from the climate crisis, with no "new normal," scientists warn. Wildfires and permafrost thaw are making the tundra emit more carbon than it absorbs. From beaver ...

A yearly checkup on the region documents a warmer, rainier Arctic and 200 Alaskan rivers “rusting” as melting tundra leaches ...

Trump has shifted the U.S. approach to the Arctic, promoting oil and gas even as scientists have issued more dire warnings ...

Green summer tundra and the rolling Mulgrave Hills in northwestern Alaska's Cape Krusenstern National Monument are seen on July 11, 2011. The Mulgrave Hills are the farthest west extension of the ...

The 10 hottest years on record have all occurred within the past decade, with 2024 likely to be the warmest yet. But the Arctic has warmed up at a faster rate than the planet as a whole during that ...

WASHINGTON—The icy region at the top of the globe, lashed by wildfire and pelted with increasingly heavy precipitation, has tipped into “uncharted territory,” scientists reported Tuesday. The Arctic ...

Climate change is warming the Arctic tundra about four times faster than the rest of the planet. Now, a study suggests that rising temperatures will spur underground microbes there to produce more ...