Jump start physics problem with a mass on a spring. This video explains the setup, key assumptions, and the step-by-step physics needed to solve for motion, energy, and forces in a spring–mass system.

Several hundred more cold case homicides could be out there not being investigated, leaving families without answers and ...

Decades ago, the Pacific Northwest city launched a multibillion-dollar transit building boom. Now the new lines and stations ...

The downtown district unfolds like a perfectly preserved postcard from America’s past, with buildings that have witnessed ...

New charges have been filed against one of the defendants in the St. George's High School sexual assault case.

With support from the W. M. Keck Foundation, a Stevens–Yale collaboration is now transforming graviton detection from a ...