Merck is expanding domestic manufacturing with a $895 million investment in its Kansas factory, one of several major projects ...

Shares of Merck & Co. Inc. MRK slid 1.86% to $77.65 Thursday, on what proved to be an all-around positive trading session for ...

The Delaware facility will ensure a domestic supply of biologic drugs including the cancer drug Keytruda.

Germany's Merck KGaA has struck a deal to buy U.S. biotech company SpringWorks Therapeutics for an equity value of $3.9 ...