The deaths of at least six Italian and Chinese tourists in a fiery van crash in Idaho near Yellowstone National Park are a ...

A tourist ventured too close to one of the most iconic geysers in Yellowstone National Park, and part of her illegal ...

Researchers from Rice University imaged the magma underneath Yellowstone and showed how it vents pressure, reducing the likelihood of a massive eruption anytime soon.

VATICAN, Holy See — Pope Francis appeared in front of thousands of Catholic faithful at St Peter's Square on Sunday for Easter, despite the 88-year-old pontiff's frail health that has kept him ...

Pope Francis appeared in front of thousands of Catholic faithful at St Peter's Square on Sunday for Easter, despite the 88-year-old pontiff's frail health that has kept him from most Holy Week events.

The 88-year-old pope didn’t celebrate the Easter Mass in the piazza, but after the service ended, appeared on the loggia balcony over the basilica entrance for more than 20 minutes. Pope Francis ...

The 88-year-old prelate appeared on the loggia of St. Peter's Basilica in the Vatican for the reading of a blessing he'd written. He also toured through St. Peter's Square in his modified ...