Hovering blue flames that flicker over bogs and marshes have inspired ghostly folktales for centuries. Known as “will-o’-the-wisp,” “jack-o’-lantern,” “corpse candle” and “ignis fatuus” (“foolish fire ...

By Elizabeth Devitt They’ve been called “bubble chasers,” and “seep seekers,” though they sometimes call themselves “flare ...

Never before have such unequivocal, strong relationships between temperature and emissions of methane bubbles been shown on such a wide, continent-spanning scale.", says biologist Sarian Kosten of ...

Scientists believe they have solved the centuries-old mystery behind will-o’-the-wisps—the “ghostly” blue flames sometimes seen at night over marshes, wetlands and even cemeteries. Also known as ignis ...