An investigation shows that illegal luxury mansions have been built in a Sierra Leone national park that serves as an environmental buffer for its capital

GMC has vastly expanded the Sierra EV’s trim lineup for 2026, underscoring the importance of knowing its trims. At the same time, the Sierra EV faces steep competition from rival all-electric pickups,

I’ve driven every version of this damn truck that General Motors makes: the Chevrolet Silverado EV WT (Work Truck), the Silverado EV RST, and now the 2025 GMC Sierra EV Denali. The latter is the newest, most luxurious, and most capable version.

Sierra is GMC’s name for its line of full-size pickup trucks that range from a no-frills half-tonner with a V-6 engine to heavy-duty editions rated for big loads to the luxury-appointed Denali model. As in years past, the Sierras are essentially ...

A January avalanche at Castle Peak killed a 42-year-old Oregon man. Now another powerful storm has triggered a new slide in the same area and 10 people remain unaccounted for.

Eight backcountry skiers were killed in the deadliest avalanche in state history, officials confirmed Wednesday.

GM Authority outlines the expected engine lineup for the 2027 Chevy Silverado and GMC Sierra, including next-gen V8s and a long-awaited hybrid.

Sierra Leone just opened its first NICU - thanks in part to Hank and John Green and millions raised by their supporters.