Ash trees are vanishing from forests across the Northeast, Midwest, and parts of the South as they fall victim to the invasive emerald ash borer. (Photo by K. Stoll/National Park Service) For more ...

A collaboration between scientists at UC San Diego’s Scripps Institution of Oceanography and the University of Greifswald in Germany has uncovered a powerful new way volcanoes give life to the Earth: ...

Ash from wildfires that falls in the ocean can provide nutrients that boost the growth of microorganisms – but the impact on the wider ecosystem is unknown. It has long been known that ash from the ...

There is nothing on Earth quite like volcanic lightning. Witnessing chaotic towers of tumbling ash emerge from an explosive convulsion at the apex of a mountain is already jaw-dropping enough. The ...

Towns across the state are faced with ash trees dying faster than they can remove them due to a tiny invasive insect — and it’s going to cost millions of dollars across Connecticut. The emerald ash ...

Satellite image of the Thomas Fire's burn scar and active flames, in northern Ventura, on December 5, 2017. NASA Earth Observatory images by Joshua Stevens The Thomas Fire was the biggest wildfire ...