The magnitude-7.8 earthquake that rocked Nepal on Saturday (April 25) may have caused the world's tallest mountain to shrink a bit. But just how do scientists measure that change? Official measures ...

Kate Dignan has summited one 14er — she thinks it was probably Longs Peak, but she’s done her best to forget the experience. That trip, and countless photos from hikers around the state, got her ...

The Ziplevel Pro-2000 High Precision Altimeter is a precise pressurized hydrostatic altimeter that can replace laser levels on job sites. One person working alone can set up in minutes to level and ...