The danger of more oil leaking from Exxon Mobil Corp's ruptured pipeline in Montana has ended, the Environmental Protection Agency said.

The Silvertip pipeline burst on July 1, spilling an estimated 42,000 gallons of oil, or 1,000 barrels, into the scenic Yellowstone River.

Exxon has now drained the two segments of pipeline that were on either side of the break.

Exxon Mobil said it had begun preliminary work to replace the pipeline that ruptured and spilled an estimated 1,000 barrels of oil into the Yellowstone River in Montana two weeks ago.

Exxon, the world's largest publicly traded oil company, said it was aiming to meet federal requirements on corrective action around the Silvertip pipeline before resuming operations.

Preliminary work includes t

Water downstream from a ruptured Exxon Mobil pipeline that leaked oil into the Yellowstone River showed no detectable levels of toxic petroleum chemicals, according to U.S.

Thousands of baby pelicans grunt and hiss at their parents in tightly packed nests on Gaillard Island, a feathered paradise situated off the coast of Alabama.

The 1,300-acre, man-made island is hosting more than 50,000 birds this summer as nesting pairs gather to raise babies.

Governor Brian Schweitzer vowed on Tuesday to cling to Exxon Mobil like "the smell on a skunk" for as long as it takes to get the company to clean up a weekend oil spill that fouled an otherwise pristine stretch of the Yellowstone River in Montana.

A 12-inch Exxon pipeline ruptured on Friday night about 150 miles downstream from Yellowstone National Park near the town of Laurel, Montana, southw

An Exxon Mobil pipeline that ruptured late Friday along the Yellowstone River in south-central Montana, spilling crude oil into the river and forcing evacuations, had been shut down for one day in May because of concerns over the rising waters on the Yellowstone, the company said Sunday.

Oil in a flooded gravel pit in Lockwood, Mont.

With Cuba preparing to explore for oil 60 miles from Florida, the complicated politics of U.S.-Cuba relations are impeding U.S. efforts to get ready in case of a BP-style accident, analysts and oil experts said.

The Obama administration must do more to ensure that U.S.

The fund BP set up to deal with compensation claims after last year's Gulf of Mexico oil spill is working too slowly, U.S.

Tons of radioactive water were discovered on Tuesday to have leaked into the ground from Japan's Fukushima nuclear plant, the latest in a series of leaks at the plant damaged in a March earthquake and tsunami, the country's nuclear watchdog said.

More than three months after the disaster, authorities are struggling to bring under control damaged reactors at the power plant, 240 km (150 miles) n

Transocean, the Swiss company that owned the rig lost in last year