Back in 1998, a little known climate scientist named Michael Mann and two colleagues published a paper that sought to reconstruct the planet's past temperatures going back half a millennium before the ...

Back in 1999, Penn State University climate scientist Michael Mann released the climate change movement’s most potent symbol: The “hockey stick,” a line graph of global temperature over the last 1,500 ...

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 study has produced the first ...

Today is the 20th anniversary of one of the most iconic images in science. On 23 April 1998, US climate scientist Michael Mann and two colleagues published a paper in Nature. Central to it was a graph ...

"As a climate scientist, it is wild the number of people who say to me there's no evidence that the globe is warming," says ...

"That’s great news." Scientist debunks common misconception about major global trend: 'Just show them this graph' first appeared on The Cool Down.

A year ago, Penn State was reeling in the wake of revelations that its athletic program had covered up serial abuse by one of its football coaches. A blogger at the pro-free-market Competitive ...

The conservative National Review, which has regularly criticized and rejected the scientific consensus on climate change, tweeted the following graph on Monday afternoon. The graph is correct. It ...