The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

It will read as such on the ballot: “Do you support an amendment to require that federal revenues received by the state generated from Outer Continental Shelf alternative or renewable energy ...

Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation following the impact that wiped out the nonavian dinosaurs.