The emerald ash borer is an invasive beetle wreaking havoc on America's ash trees. We explain how it got here and how it is being tackled.

“Insect herbivores have long been known to accumulate plant defense metabolites from their diet as defenses against their own ...

A major breakthrough has been achieved in the fight against the invasive polyphagous shot hole borer (PSHB), Euwallacea ...

The last beetle infestation in the Black Hills was about 10 years ago.

Larimer County will likely be seeing more red, in the form of rust-colored ponderosa pines affected by mountain pine beetles.

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave through the towering trunks on their morning routes, and gray squirrels run ...

The Iranian regime triggered an internet "kill switch" in an apparent effort to hide alleged abuses by security forces as protests against it surged nationwide, a cybersecurity expert has claimed. The ...

When the CEOs of Delta Air Lines, International Business Machines, Target and others gathered for a confab in New York in December, stepped-up security was apparent before attendees even walked in. A ...

48 Hours correspondents Natalie Morales and Anne-Marie Green discuss the case against three women involved in Shea Briar's murder. Trump’s folly Trump says he will temporarily cap credit card rates ...

A Florida man accused of randomly fatally shooting three tourists near Disney World once tried to murder a stranger at a gas station — but was acquitted on insanity grounds and freed, a new report ...

A Texas man allegedly shot a married couple he met through a dating app — claiming he fired at the couple in self defense after he said they tried to sexually assault him, according to authorities and ...

Speaking at the White House, the president appeared to downplay the chance of imminent military action against Tehran. Photo: Evelyn Hockstein/Reuters President Trump on Wednesday said Iran had ...