It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...

Waymo is currently operating in temperate cities. It’s not clear how the vehicles will handle ice and snow, but there are local examples to learn from. A report from Violence Free Minnesota said ...

The Honolulu Police Department and the state Department of Law Enforcement say new laws enacted by the state Legislature earlier this year will be more effective at targeting those who possess, use, ...