Challenge System powered by T-Mobile is coming to Major League Baseball this season. For a refresher, you can read about everything you need to know about the ABS system that will bring more accuracy ...

In recent years, MLB has tweaked the game — implementing a replay system to challenge calls on the field, placing a runner on ...

Per MLB guidelines, a pitch can be subject to both an ABS challenge and a replay challenge -- think a called strike (or ball) that precedes a throw on an attempted stolen base.

The Mets and all of MLB will need to adjust to the new ABS challenge system. Here's a primer on the essentials of the system ...

ABS (automated balls and strikes) is the tech-heavy solution for players to challenge umpires' rulings on balls and strikes in a replay-review format.

New England residents should prepare for heavier, wet snow as spring approaches next month, starting with an incoming weather system on Wednesday.

Dive into Python Physics Lesson 12 and learn how energy behaves in a mass-on-a-spring system. This lesson explores kinetic and potential energy, energy conservation, and oscillatory motion, all ...

A missed call on a possible strikeout was costly in the playoff loss to the Dodgers. The new ABS challenge system goes into effect this season and the Phillies can fine-tune how they'll use it.