Paleontologists have wondered why a certain family of 'winged lizards' was strangely absent in North America during the Cretaceous. Aetodactylus halli is filling that void.

Progressive Catholics and theologians in the US and Europe say the Vatican's model of a priest is outdated. The global sexual abuse scandal has sharpened the church's inner struggle over how to reform that model.

Federal officials gave a sobering appraisal of the Gulf of Mexico oil spill Sunday, with Interior Secretary Ken Salazar saying 'ultimate relief' was 90 days away.

AP - Police investigating a terror attack that could have set off a deadly fireball in Times Square focused Sunday on finding a man who was videotaped shedding his shirt near the SUV where the bomb was found.

AP - No remedy in sight, President Barack Obama on Sunday warned of a "massive and potentially unprecedented environmental disaster" as a badly damaged oil well in the Gulf of Mexico spewed a widening and deadly slick toward delicate wetlands and wildlife. He said it could take many days to stop.

AP - United Airlines and Continental Airlines agreed to combine in a $3 billion stock swap to create the world's biggest airline, people with knowledge of the deal said Sunday.