Aside from the symbolic meanness that is a hallmark of this administration, the immediate impact on climate of canceling the endangerment finding is quite limited.

Western economies have become dependent on data and energy flow along the seafloor; Russia and China are weaponizing that ...

If the negotiations scheduled for Friday between Iran and the United States are to be effective and durable, they must move ...

Legal experts say that regulating carbon dioxide is well-supported by the text of the Clean Air Act—a fact that even the conservative Supreme Court has recognized in multiple cases, suggesting the ...

Greenland's geographical location provides no added benefit to a space-based architecture of interceptors and sensors for US ...

The fire season in Patagonia this summer will likely be one of the most severe in recent decades, and the crisis is not an ...

The United States and its allies could help Kim Jong-un solve his country’s severe environmental problems in exchange for military concessions while emphasizing North Korean self-reliance. It’s a long ...

With the National Defense Strategy, Seoul worries that the new language from Washington creates an interpretive space that adversaries could exploit.

Experts share their concern about the no-rules, no-inspections period that opens when New START expires on Thursday. They also see an opportunity to adapt arms control to a multipolar world.

Chinese nuclear expert Li Bin argues that a greater emphasis on costs can make a compelling justification for arms ...

Amy Nelson, a senior fellow at New America, explains that minimal deterrence may still be possible in a multipolar world, but ...

The pairing of fully autonomous drone strikes and dehumanizing imagery can undermine public support for military action, even ...