One of the most popular but discontinued items at Taco Bell has made its way onto the restaurant's secret menu, and fans ...

Researchers use the sophisticated technology on NASA's Perseverance rover to analyze volcanic rocks in Mars' Jezero Crater. Their findings show that some of the same volcanic processes that led to ...

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Brazil's former president Fernando Collor de Mello was arrested and taken to prison Friday to begin serving a nearly ...

A new study shows a volcanic eruption of Yellowstone may be even less likely than we thought: Scientists have discovered a ...