An oil firm has been fined more than £1m - one of the biggest ever fines in a case of its type - over a North Sea gas leak. The incident happened on Marathon Oil's Brae Alpha platform ...

ConocoPhillips has agreed to acquire Marathon Oil in an all-stock deal valued at $17.1 billion in a bid to catch up with rivals as drillers race to secure new oil and gas wells. Under the terms of ...