History of abandoned urban sites found stored in soil

Old houses and vacant lots may not look like much to the naked eye, but to some, the site is better than gold. Excavations over the years can create a challenge to study what's left behind and often appears as if dirt and ...

In tech first, US puts entire 1940 census online

The National Archives opened a treasure trove to genealogists and historians on Monday, releasing the 1940 national census in its entirety -- and doing so for the first time online.

What are the prospects for sustaining high-quality groundwater?

Intensive agriculture practices developed during the past century have helped improve food security for many people but have also added to nitrate pollution in surface and groundwaters. New research has looked at water quality ...

Saving Da Vinci's Last Supper from air pollution

Having survived long centuries, political upheaval, and even bombings during World War II, Leonardo Da Vinci's masterpiece Last Supper now faces the risk of damage from air pollution due to its location in one of Western ...

Nobel Prize-winning physicist Norman Ramsey dies

(AP) -- Norman Ramsey, who shared the 1989 Nobel Prize in physics for his research into molecules and atoms that led to the creation of the atomic clock, has died in Massachusetts. He was 96.

page 11 from 16