The world's most powerful known supercomputer stretches its legs with some life-saving science Eggheads working on El Capitan ...

LLNL announces a new tsunami warning system using the world's fastest supercomputer, El Capitan, for real-time forecasts.

The real-time tsunami forecasting system is powered by the world’s fastest supercomputer, which has a theoretical peak ...

Scientists at Lawrence Livermore National Laboratory (LLNL) have helped develop an advanced, real-time tsunami forecasting ...

The computer weighs 1.3-million pounds, the same as four blue whales or 100 African elephants – and it's right here in the ...

El Capitan is located in the western portion of the Yosemite Valley. After parking, most visitors use the Valleywide Shuttle to get to the El Capitan picnic area at stop No. 8.

OS X El Capitan will be released to the public on September 30. Update: Apple's pulled the OS X 10.11 El Capitan GM, and it's no longer available for download.

El Capitan dominated the first half, but led just 14-7. After forcing a punt on the game’s opening series, the Vaqueros got a 17-yard punt return from Spencer Chastang, setting his team up at ...

The Yosemite Big Wall permit program now requires climbers to register on its most popular walls. Climber reactions are predictably mixed. Emily Harrington, a 34-year-old Yosmeite pro, becomes the ...

El Capitan includes an improved Spotlight Search and several new app features. Safari, for example, has gained Pinned Sites and a universal mute button, while Mail has new iOS-style smart suggestions.