Federal prosecutors say dozens of wastewater test results were secretly changed to hide contamination in Texas waterways.

The CEO and another employee of a Conroe-based lab, as well as one of its clients, admitted to using a "backdoor" in the ...

MADISON, Wis. (AP) — Madison resident Andrew Pogosyan pleaded guilty Tuesday to smuggling lab equipment to Russian companies in violation of trade sanctions the United States imposed after Russia ...