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 ...

On any warm afternoon at a tropical reservoir, you can sometimes see it with the naked eye: clusters of bubbles breaking the surface in irregular bursts, each one carrying a small charge of methane ...

Hunting telltale bubbles “These seeps are fascinating and extreme environments,” said Claudio Argentino, a sediment biogeochemist at UiT, The Arctic University of Norway, whose fieldwork started at ...

Methane is a potent greenhouse gas that can pack more than 25 times the global warming punch of carbon dioxide, and atmospheric methane emissions have been growing significantly since 2007. So it’s ...