Carbon dioxide passed a notable symbolic threshold in Antarctic for the first time in 4 million years.
New research sheds light on how ice loss driven by climate change is affecting Earth's spin axis.
The planet's stores of ice large and small are all feeling the impacts of climate change.
Ice core records going back 800,000 years reveal a lot, but climate researchers want to go back further.
New research pinpoints which Antarctic ice shelves are the weakest and pose sea level rise risks.
From disappearing ice sheets to rising temperature to megadroughts, these are the top climate science studies.
The role of climate change in extreme weather events is examined in an annual compilation of attribution studies.
The melting of Earth's polar ice came into starker relief in 2014, with real implications for sea level rise.