The Pennsylvanian Period lasted from 320 to 286 million years ago. During the Pennsylvanian Period, widespread swamps laid down the thick beds of dead plant material that today constitute most of the world's coal. The term Pennsylvanian is a...

The Pennsylvanian is a subperiod of the Carboniferous period lasting from roughly 325 Ma to 299 Ma (million years ago). As with most other geologic periods, the rock beds that define the period are well identified, but the exact date of the start and...

What a time to be living in Pennsylvania. The Philadelphia Eagles and Pittsburgh Steelers are the cream of the National Football League crop, both posting stellar 11-1 records through week 13. As the season enters the homestretch, the contenders begin to separate themselves...

TO THE EDITOR: In his letter to the editor ("Progressive group wants Sturla to speak to members," Intell, Sept. 26) Jerry Policoff claimed I was unresponsive to his request to explain why I had not co-sponsored HB 1660. Due to the volume...

Some students at the University of Pennsylvania have eagerly waited for three years to be pelted with flour, eggs, ketchup and mustard.They'll have to settle for streamers and marshmallows.That was part of the compromise agreed to by Penn officials and students participating in "Hey Day,"...

A man who used the Internet alias "Iceman" stole credit card and identity information from tens of thousands of people by hacking into the computers of financial institutions and credit card processing centers, federal authorities said Tuesday.Max Ray Butler, 35, of San Francisco, was indicted...