A trip to Puerto Rico's capital isn't complete without a stroll down it's famous and historic walkway -- make sure to stop at ...

Often spotted by onlookers in Hawai‘i Volcanoes National Park, or even by YouTube livestream viewers, the long, ashy gray or ...

Viewers may also get a good look at the fireworks from one of Denver’s many rooftop bars or hotels around downtown.

Volcano Kilauea’s puahiohio are swirling columns of ash and volcanic debris, often mistaken for tornadoes but formed by ...

There will be two public aerial fireworks displays in Maui County this year — one from the Grand Wailea Resort in South Maui, ...

The institute described the episode as the strongest so far within a generally normal and closely monitored phenomenon ...