New research takes the deepest dive ever into historic climate records and makes the famous "hockey stick" graph look even more dire.

The climate scientist behind a renowned global-warming stripe graphic said he’s going to need more colours to represent the warmer world of the future.

The new hockey stick Earth's temperature is changing faster now than at any time since the last ice age, according to a new analysis of global temperatures spanning the last 11,300 years. The ...

The 'Hockey Stick' graph, a simple plot representing temperature over time, led to the center of the larger debate on climate change, and skewed the trajectory of at least one researcher ...