The palila once existed throughout the entire island chain. Now the species can only be found on a small region of Mauna Kea ...

Hawaii's native tree snails, known as the "jewels of the forest," are rapidly disappearing. Some of the most imperiled only live in human care now, safeguarded 24 hours a day.

The species has held on thanks to a breeding program, but returning them to the wild has been challenging. A group released on Hawaii's Big Island was preyed upon by hawks.

In April, a proclamation from President Donald Trump opened the 490,000-square-mile Pacific Islands Heritage Marine Monument ...

The lab-raised, non-biting male mosquitoes are meant to breed with the invasive ones on the islands and produce sterile eggs ...

The U.S. military wants to continue live-fire training at Pohakuloa, a high-altitude plateau on Hawaii’s Big Island ...

Hawaii may be small in size compared to most other U.S. states, but its ecological diversity is at the top, comparable to states like Alabama, Texas, and California. From the 21,000+ species that ...

Hawaii board bolsters pest control powers. The Hawaii Board of Agriculture has approved rule changes to help control the spread of invasive species following about a 20-month delay.