Arctic sea ice extent hit a new low for the month of December as the Arctic stayed unusually warm.
Arctic warming and loss of sea ice may be helping to drive cold air southward, into the US and Europe, according to recent studies.
NASA scientist Ron Kwok details new technology he is using to monitor how extensively Arctic sea ice is melting from below, a key indicator of the ice's long-term stability.
A strong La Niña event may give some ski areas, particularly in the Pacific Northwest, bonus snowfall this year.
Arctic researcher Jason Box is going to great lengths to recover on-the-ground images of the extraordinary loss of ice from the Petermann Glacier.
Ocean salinity can have a big impact when it comes to changing climate. Learn how scientists are monitoring our salty seas.
Climate change is turning a lot of Greenland's ice to water. But, how do we know?
Greenland lost an average of 577 billion tons of ice per year from 2004-2007. But just how much is that?