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 ...

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 ...

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: ...

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 ...