The Big Island produced a lot of new lava rock this year, and some of it could be the raw material for a new local industry, according to a report commissioned by a state agency.

Lava rocks are the ultimate drainage solution for your plant babies, preventing root rot by creating a place for excess water to pool.

Scared tourists have mailed rocks back to Hawaii for decades, and the practice causes a real headache for the staffers at Hawaii’s two national parks. Foreign stones may carry bacteria and ...

Kilauea volcano in Hawaii erupted again, sending lava 330 feet into the air from its summit crater. This marks the 32nd time ...