“All the world lies warm in one heart, yet the Sierra seems to get more light than other mountains.”

We're right where we were Friday: Republicans want to make big changes to Obamacare in return for funding the government, Democrats refuse, and there's no end in sight.

The oldest baobabs are collapsing, and there’s only one likely explanation.

The president relented to political pressure on Friday, agreeing to reopen the government after 35 days without receiving money he demanded for a southern-border wall.

The fires in Australia are a case study in the realities of climate change.

The opportunity to fully disconnect is at risk in an ever-more-connected world.