U.S. EPA today abandoned its contentious assertion that hydraulic fracturing hasn’t caused “widespread, systemic” problems with drinking water as it released the final draft of its study on the ...

PG&E Corp. failed to adequately inspect and maintain its transmission lines for years before a faulty line started the deadliest fire in California history, a state investigation has found. In a ...

NASA and the Russian space agency, Roscosmos, still have not solved a long-running and worsening problem with leaks on the International Space Station. The microscopic structural cracks are located ...