A single line buried in an old contract kicked off a 20-month battle between ExxonMobil and Chevron over the biggest offshore oil discovery in years.

Chevron’s Hess deal boosts Guyana exposure and adds shale growth, while strong cash flow and returns support its outlook.

Scott Sheffield, the founder of Pioneer Natural Resources and one of ExxonMobil’s largest individual shareholders, has ...

Exxon Mobil (XOM.N) has lost its arbitration challenge to block Chevron's (CVX.N),  $55 billion Hess (HES.N) but the top U.S.

Chevron closed its $55bn (R975bn) acquisition of Hess on Friday after winning a landmark legal battle against ExxonMobil in ...

Chevron Corp. has prevailed in a 20-month fight to buy Hess Corp. for $53 billion, overcoming a challenge by arch rival Exxon ...