The story behind how it unfolded shows how American oil executives’ usual cordial relationships were pushed to the breaking ...

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.

The Federal Trade Commission announced Thursday that it has set aside its final consent order restricting Exxon Mobil Corporation’s acquisition of Pioneer Natural Resources, citing serious ...

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