After years of drought, California got blitzed with rain and snow. New data puts the extremes into perspective.
The Trump administration will recommend to Congress ways it can shrink or abolish national monuments.
Climate change is rapidly pushing the Arctic into a new and less stable state.
Over Trump's first 100 days, we're going to show what science tells us about our warming world.
Meltwater ponds and streams are more widespread on Antarctica's surface than was previously thought.
The global warming-induced retreat of a Canadian glacier caused one river to siphon off another's flow.
The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.
March saw record low Arctic sea ice, marking the sixth month in a row of record or near-record lows.
An unusually large swarm of icebergs is forcing ships to change course in the North Atlantic.
Climate change is helping drive warm water into the eastern Arctic Ocean, altering it in unprecedented ways.
Artist Zaria Forman is making stunning drawings of ice to inspire people to act on climate change.
More water is flowing this year in California from frequent storms and melting snowpack.
Western snowpack at the end of the the wet season is up this year — but that's less likely in the future.
Climate change is stirring life in the Arctic Ocean as thinning sea ice lets in more sunlight.
Incredibly mild air is surging into the Arctic again, cranking up the heat as melt season gets underway.
Earth is a planet in upheaval, with high temperatures pushing it into “truly uncharted territory."
The Shum Show looks at Peru's heavy downpours and record low sea ice.
Winter Arctic sea ice set a record low for the third year in a row, a mark of the effects of global warming.
Humans are in the process of changing the planet in a way that hasn’t happened in 2.6 million years.
Arctic sea ice may vanish in summers even if the world reaches goals set by Paris climate agreement.