Two 325-million-year-old ctenacanth shark fossils discovered in Mammoth Cave shed light on ancient marine ecosystems.

If the cave art painting really captures a dicynodont, it predates formal paleontology. They've been extinct for about 250 ...

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Researchers reveal when boys pull ahead of girls in mathematics, sounding an alarm and providing both an opportunity for schools, parents and researchers.

Satellite and radar ... Southeast Pinal County including Kearny/Mammoth ... Superior, Central Phoenix, Dripping Springs, Southeast Valley/Queen Creek, Globe/Miami, Cave Creek/New River ...