An expert tells you what you need to know about what could happen next following the US killing of Iranian Major General Qassim Suleimani.

A look at the material consequences of border walls around the world reveals their impact on global trade.

When climate change is in the news or a focus of Congress, oil companies spend more money on advertising, new research shows.

A law professor and former federal prosecutor explains what's going on with the impeachment proceedings in Congress and what's next.

The 2020 census is the first to be online, but controversies around who's counted and how could throw off the count and put vulnerable people at risk.

As thousands of fires still rage in the Amazon, experts explain what started the fires, what could stop them, and why the Amazon matters so much.

The EPA is falling down on its job to protect vulnerable populations from hazardous chemicals, researchers argue in a new paper.

Environmental crime doesn't always take the form we might expect.

New research explores the likelihood of violence in postcolonial sub-Saharan African countries.

In what may be the largest grave relocation in human history so far, China has exhumed more than 10 million corpses. An interactive website shows where.