This is the first case in which an analysis of climate change of this scope has come up in the Trump administration, and scientists will be watching very carefully to see how they handle it.

The White House has found a way to put the profit margins of select coal companies ahead of not merely climate sustainability, but also coal miners in Appalachia.

We’ve traveled the road from pounding a not-so-veiled supremacist campaign message to drafting and enacting supremacist policy in only eight months.

Is some kind of confrontation with Iran -- on totally fabricated issues -- on the horizon? Veteran journalist Reese Erlich breaks down what's happening in Washington, Tehran and beyond.

Maybe like Samson chained to the pillars, Trump just wants to bring Obamacare's whole structure tumbling down, even if it might kill his presidency, too. With this White House, you never know.

The threat of a major conflict with Iran is high. Rarely has a sinister plan to destroy an arms control agreement and pave the way for war been so openly telegraphed.

As US-Russian relations have deteriorated, the risk of a nuclear catastrophe—including the danger posed by a nuclear-armed North Korea—has risen to its highest level since the end of the Cold War.

This is an act of astonishing and capricious cruelty. And it is likely to be the worst day of thousands of Americans’ lives. That doesn't matter to Trump, who is rallying his base.

The Republicans are having trouble agreeing on the exact method to punish the sick. The devil is in the details, and they have a whole party of them working on those details.

Trump has made 836 false or misleading claims since January. He has averaged 4.9 misstatements a day during his first six months in office.