A team of researchers sets sail to learn more about the plight of rare dolphins who have been known to share their food with humans.

Wind farm operators have agreed to pay for research into the impact of their facilities on Hawaii’s endangered hoary bat.

A defense attorney’s court filings include the identities of two people who were charged as juveniles in the slaughter.

The suspects have long been known to the Honolulu prosecutor’s office, but no arrests have been made more than 10 months after the slaughter.

There are hundreds of thousands in the islands and they pose a threat to native species, especially monk seals.

The federal government has determined that another 39 plants and 10 animals warrant protections under the Endangered Species Act.

The iiwi, a bird once commonly found in the islands’ forests, may be listed as threatened under the Endangered Species Act.

The U.S. Army, Navy and Marines made a pitch to conservationists from around the world that they share the same goals. Not everyone is buying it.

A new report highlights challenges and opportunities.

Scientists and Hawaiian Humane Society officials don’t agree on how to address feral cat colonies and their spread of toxoplasmosis.