SIOUX CITY — Students at Unity Elementary School learned about Arbor Day Friday. Some students even got to plant a tree. Kelly Bach and Brett Prince with Sioux City Parks and Recreation spoke to Unity ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...

Conservation scientists have bred the endangered Littlejohn's tree frog species in their labs for the first time. The amphibian is only known to exist in three isolated populations in New South Wales.

A lightning-sparked wildfire in California’s Sierra National Forest burned Tuesday through a grove of giant sequoias and set some of the ancient towering trees on fire. Wildland firefighters with tree ...

PAULDING COUNTY, Ga. — A 12-year-old girl is fighting for her life in the hospital after she was struck by a part of a fallen tree and multiple tree limbs on Saturday during strong storms in Paulding ...

China sells billions of dollars worth of military equipment to more than 40 countries. But for Beijing, arms trade is not just a lucrative business. Photo: Huang Wei, Rao Aimin/Zuma Press BEIJING—The ...

Joint statements from groups representing young Republicans and Democrats, and messages of tolerance from prominent figures stood out as reaction to Charlie Kirk’s assassination continued. By Jesse ...

A man is dead after a crash in Belton, South Carolina, according to the Anderson County Coroner's Office.Officials said it happened at 11:05 p.m. Tuesday on Pinson Farm Road, and they responded to a ...

South Sudan has started holding a trial for First Vice President Riek Machar, who has been sacked by his decades-long rival, President Salva Kiir, and charged with murder, treason and crimes against ...

PAULDING COUNTY, Ga. — A 12-year-old girl was critically injured when a tree fell at the Paulding Meadows Arts & Crafts Festival on Saturday, according to authorities. Paulding County officials said, ...

Firefighters in Central California have been working to protect a grove of giant sequoia trees from a massive wildfire. The Garnet Fire has been burning in the Sierra National Forest in eastern Fresno ...