Advances in chemical science and technology have enhanced national security in innumerable ways, contributing to our strength as individuals, our strength as a society, and our strength as a country.

WASHINGTON(AP) — Should Sen. Markwayne Mullin be approved as the next secretary of Homeland Security, he will walk into the department's sprawling Washington, D.C., campus with his work cut out for ...

WASHINGTON (AP) — Should Sen. Markwayne Mullin be approved as the next secretary of Homeland Security, he will walk into the department’s sprawling Washington, D.C., campus with his work cut out for ...

The September 11, 2001 terrorist attacks on New York City and Washington, D.C. clearly indicated that massive, coordinated acts intended to cause enormous destruction and loss of life could be carried ...

As the standoff has dragged on, thousands of Homeland Security staffers are being forced to work without pay, including airport security screeners. Some airports have started to s ...