In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

A power bank charger exploded while in a New Jersey student's pocket, sending them to the hospital on Friday, Jan. 9, ...

Handle swollen, leaking, or punctured batteries with extreme caution. Experts recommend wearing protective gear, storing the ...

Four New York Times reporters pressed Mr. Trump about a range of topics in a nearly two-hour interview. Here is a transcript ...