Penny Pritzker, billionaire heiress to Hyatt Hotels, was nominated by President Obama as commerce secretary.

The new One World Trade Center building in New York City won't receive its final spire on Monday due to inclement weather — the finishing touch that will render the edifice the tallest building in the Western Hemisphere when it's attached.

Cyber warriors have become an increasingly vital part of the US military.

Paul Kevin Curtis, a Mississippi man, was arrested Wednesday in connection with a letter filled with the poison ricin sent to President Barack Obama and others.