Here’s a timeline of the Mass State Police fatal cruiser crash scandal involving Sgt. Scott Quigley, who was allegedly drunk at the time of the wreck.

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

From the exam room to the classroom, artificial intelligence is no longer just a tool—it's infrastructure. An introduction to our special report on life in the age of AI.