Science

Follow PBS NewsHour’s complete coverage of Science and Technology stories.

As river dams age, communities wrestle with how to how to repair and remove them, and a lack of scientific understanding on the subject doesn't help. How does dam removal affect river systems? Could it cause catastrophic…

In NOVA’s latest four-part series, physicist Brian Greene covers an astonishing swath of material in the world of physics: quantum mechanics, general relativity, light speed and gravity and the search for elusive subatomic particles. The series is based…

For 125 years, the Statue of Liberty has stood in New York Harbor as an iconic greeting to arriving immigrants. Friday's anniversary began with a naturalization ceremony for 125 new American citizens hailing from 46 countries. In the…