The latest leak in the Keystone oil pipeline in North Dakota on Tuesday continues the troubled history of the 15-year-old pipeline. The 2,700-mile-long (4,350-kilometer-long) pipeline originates ...

The Keystone Pipeline was constructed in 2010 at a cost of $5.2 billion and carries crude oil across Saskatchewan and Manitoba through North Dakota, South Dakota, Nebraska, Kansas and Missouri to ...

The Keystone oil pipeline was shut down Tuesday morning after it ruptured in North Dakota, with the spill confined to an agricultural field.The cause of the rupture and the volume of crude oil ...

The Keystone oil pipeline was shut down Tuesday morning after it ruptured in North Dakota, with the spill confined to an agricultural field.The cause of the rupture and the volume of crude oil spilled ...

The owner of the Keystone pipeline says a segment that ruptured ... dumped about 14,000 barrels of crude oil into a creek running through rural pastureland about 240 kilometres northwest of ...