Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

In our survey about 15 different behaviors debated in society, nine-in-ten U.S. adults say that married people having an affair is morally wrong. Republicans and Democrats differ sharply over the ...

From cancer to Alzheimer’s: could a renewed focus on energy transform biomedicine? Including energy dynamics in research could improve our understanding of diseases and of the healing processes that ...

Mar. 21, 2026 Scientists have uncovered the oldest direct evidence yet that Earth’s tectonic plates were on the move 3.5 billion years ago. By analyzing magnetic fingerprints in ancient rocks, they ...