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New research says climate change has caused toxic metal pollution to double in some Colorado rivers and mountain streams. It's complicating efforts to clean up abandoned mining sites.

In the largest operation of its kind in the West Bank in 15 years, Israel launched an attack on militants in the crowded Jenin refugee camp — leaving several Palestinians dead and dozens wounded.

A global drop in demand for wine has led to a grape glut, and many U.S. vineyards are letting their grapes rot rather than harvesting them. Growers say it's one of the worst wine years in decades.

An increasing number of air traffic control facilities in the U.S. have had to reduce the number of planes they can handle in their airspace since the government shutdown began.

A preliminary investigation into the Lion Air crash in October finds the pilots struggled against a new anti-stall flight control system, which forced the plane's nose down 26 times before it crashed.

The Russian air campaign in Syrian gave initial optimism to the Syrian regime but has done little to change the map of the war.

The acting head of the FAA was grilled on Capitol Hill over recent safety lapses and a computer system failure. The hearing comes as the agency struggles with aging technology and no permanent leader.

In the month since the Trump administration announced a major reorganization of the U.S. Forest Service, critics have called it a stealth dismantling. The plan includes moving its headquarters.

President Trump admits to calling Israeli Prime Minister Benjamin Netanyahu "crazy" during a tense and heated phone call over Israel's offensive into Lebanon. How strained is their relationship?

Oil and gas drillers are releasing more climate-warming methane than the government estimates, a new study shows.