Scientists have long been fascinated by how ancient fish like Tiktaalik evolved the structures needed to walk on land.

It is crucial that we rethink our approach to direct action in a potentially authoritarian, dictatorial context.

Start-ups say we’re closer than ever to near-limitless, zero-carbon energy from fusion. When will we get there?

Let’s not sugarcoat things. The outcome of the 2024 U.S. presidential election represents a setback for climate action. The ...

Is it possible to heat the planet to dangerous levels and then cool it down later? Economic models charting the world's path ...

An interview with Tom Athanasiou on where climate geopolitics goes from here, and why unlocking trillions in climate finance is an “existential necessity.” ...