Five years ago, the Deepwater Horizon oil rig exploded, killing 11 and sending a torrent of oil gushing into the Gulf of Mexico. When it was finally capped, more than 100 million gallons had ...

Three months after the ExxonMobil Silvertip pipeline burst near Laurel, pouring about 42,000 gallons of crude oil into the flooded Yellowstone River, the disaster has spilled over into the courts.