Emily Harrington speaks to PEOPLE exclusively about her history-making ascent of El Capitan in 2020, becoming the first woman ...

LIVERMORE, Calif. — The El Capitan supercomputer at Lawrence Livermore National Laboratory was officially dedicated to U.S. national security missions and nuclear stockpile management Thursday.

Yosemite's El Capitan is famous for being the largest granite monolith in the world. But now there is another El Capitan in the Bay Area that was recently verified as the world's fastest ...