An Air Force investigation later concluded that what Arnold really saw were disc-shaped wave clouds called lenticular clouds, which are not uncommon in the Cascades and on top of Mt. Rainier, the ...

A UFO-shaped lenticular cloud stunned onlookers in Lianyungang, China, but forecasters say it was likely a result of the terrain. These clouds form when waves of moisture and mountain terrain ...

An updated red flag warning was issued by the NWS Medford OR on Wednesday at 1:09 p.m. valid between 2 p.m. and 8 p.m. for Siskiyou County from the Cascade Mountains East and South to Mt Shasta ...

In 1934, at the foot of Northern California’s towering Mount Shasta, a geologist named J.C. Brown started telling a captivating story to anyone who would listen. He spoke of an 11-mile tunnel ...

Mount Lewotobi Laki-laki in Indonesia's East Nusa Tenggara province erupted on Tuesday, spewing a towering ash cloud 11 kilometres (6.8 miles) high, the country's volcanology agency said.

Lesner Noe Velasquez Cardenas went missing near Mount Shasta’s Avalanche Gulch trailhead after a car crash. CA police and rescuers continue the search.

Colin Rick Nelson of Mount Shasta, a registered sex offender, told police he had hundreds of victims after his recent arrest for child pornography.

Smoke rises from the crater of the Etna volcano as it erupts, on Mount Etna near Catania, Italy, on Monday. A huge plume of ash, gas and rock spewed forth from Europe's highest active volcano.

Mount Etna produced a spectacularly explosive eruption Monday, sending a ripple of reddish clouds down from the southeast summit of Europe's highest active volcano.

Mount Etna in Italy erupted on Monday, sending plumes of ash and smoke into the air as tourists fled from the area.

The Shasta County Sheriff’s Office found a vehicle owned by two missing women from Chico with two bodies inside.