4:53ABC NewsMay 23, 2018Researchers use drones to study lava in HawaiiABC News' Clayton Sandell talks with researchers from the University of Hawaii at Hilo near fountains of lava.Up Next in newsLava flows into the ocean, causes toxic plumesMay 22, 2018The 2024 total eclipse seen across North AmericaApril 8, 2024Sandra Day O'Connor, 1st woman on Supreme Court, dies at 93December 1, 2023