Tar balls have been washing ashore on Texas beaches, primarily in Cameron, Nueces and Matagorda counties. Authorities are ...

U.S. Oil Sands, which has acquired the rights to produce tar sands at mines on 50 square miles of land between Salt Lake City and Moab, Utah, plans to produce 2,000 barrels of oil per day by the ...

It's the time of year when Texas beachgoers may encounter natural tar balls washing up on Padre Island. Padre Island National Seashore announced on its Facebook page that tar balls have been spotted ...

Oil, tar wash ashore in San Diego County as O.C. oil spill cleanup extends. People enjoy the beach near the Oceanside Pier on Thursday in Oceanside.

Tar sand operations in northern Alberta, which use steam to extract the oil, have given the industry a black eye that U.S. developers want to avoid replicating as they tap rich bitumen deposits ...

Mining and processing tar sands and shale oil, though, requires much higher quantities of water. It takes four to six barrels (124 to 186 gallons) of water to produce one barrel of tar sands oil, ...

The handful of tar balls came ashore Saturday and a second wave amounting to about 5 gallons of oil was found Sunday scattered along 1½ miles of beach on eastern Galveston Island and Crystal ...

The Syncrude tar sands site, on April 27, 2015 outside of Fort McMurray, Canada. Tar sands oil production in Canada is expected to increase by 9 percent in 2016, even though the oil currently ...

The price of crude oil has slumped to its lowest point in six years, and that has sent some major oil companies scrambling to get out of expensive tar-sands projects in Alberta, Canada.

But oil from the tar sands is regulated differently when it comes to taxes. The oil industry pays an 8-cent-per-barrel tax on crude oil produced and imported to the U.S.

High oil prices and technological advances have made it economically viable to ramp up oil production from Canada's tar sands. The oil pulled out of the ground is so thick and sticky that it needs ...

The researchers examined the digestive tracts of 478 dead birds from the Arabian Gulf and the Gulf of Oman, pinpointing ...