Every so often a photo of a sky full of curling, evenly spaced crests goes around online. People assume it's edited, or ...

An iconic 90-foot Hawaii landmark has collapsed into the Pacific Ocean after years of erosion and instability along the ...

Sea levels along the West Coast will begin to rise by up to a foot this month as a series of pulses of warm water called Kelvin waves hit the shoreline.

Holei Sea Arch, a 90-foot basalt formation on Hawaii's Big Island, collapsed into the ocean between September 23 and 27, 2026 ...

An El Nino-linked ocean phenomenon could temporarily raise sea levels along the California coast by up to a foot, increasing the risk of flooding, erosion and landslides this fall and winter.

The Holei Sea Arch, located in the Hawaii Volcanoes National Park, was about 90 feet high before it collapsed.

One of Hawaii's best-known natural landmarks has collapsed into the Pacific Ocean. The National Park Service confirmed ...

A monumental natural formation known as Hōlei Sea Arch, a breathtaking landmark on Hawaii's coastline, has collapsed into the Pacific Ocean. This remarkable ...

Hawaiʻi Volcanoes National Park officials believe the 90-foot feature along the Big Island’s southern coastline collapsed in ...

San Francisco is bracing for 10 to 30 unusually high tides this winter, as El Niño sends warm water toward the coast in the ...