PHOENIX — Arizonans who lack proof of citizenship can again sign up to vote in this year’s presidential and congressional races. The action comes after two of three judges on a panel of the 9th ...

This Section implements all activities of the IAEA's Water Resources Programme, which promotes and transfers know-how on the use of isotope hydrology as an effective tool for water resources ...

Physicians and their patients report that engagement in an HIV-based community rivals drug effectiveness in the ongoing efforts to curtail an epidemic. Confronting the HIV Epidemic: There's an App for ...

Many governments, companies and other entities pay foreign agents to influence U.S. policy and opinion in pursuit of those interests. Get the full picture of who is lobbying government officials.