The world, it seems, was its salad bar. Scientists are amazed at the chomping ability of a newly described duck-billed dinosaur. The herbivore's powerful jaw, more than 800 teeth and compact skull meant that no leaf, branch or bush would have been safe, they say. ...more

October 4, 2007

HANNA'S TOWN, Pa. - Tucked away in the rolling green hills southeast of Pittsburgh are a few log cabins and a fort, a recreation of what the colonial Hanna's Town would have looked like before it was burned down in a post-Revolutionary War attack. ...more

September 29, 2007

When this portion of northeast St. Petersburg was to be developed into a subdivision 50 years ago, an archaeologist excavated the area first, looking for artifacts from much earlier residents. ...more

September 23, 2007