U.S. troops at the border have been authorized to use force, including "lethal force," according to a new White House memo -- a controversial expansion of military power by the Trump administration to crack down on illegal immigration. 

Puerto Rico's governor is responding to President Trump's claim that nearly 3,000 people "did not die in the two hurricanes" that hit the island last year, and he's urging people not to politicize the recovery process. 

President Donald Trump is defending his administration's response to the devastating hurricane in Puerto Rico last year, disputing new findings that Hurricane Maria killed far more people than initially believed. 

Hurricane Maria killed far more people in Puerto Rico than initially thought, accounting for an estimated 2,975 deaths on the island from September 2017 through February 2018, according to a new analysis.

Puerto Rico's Institute of Statistics announced Friday that it has sued the U.S. territory's health department and demographic registry to obtain data on the number of deaths following Hurricane Maria as a growing number of critics accuse the government of lacking transparency. 

Household dust does more than collect in corners and on bookshelves full of novels you haven’t gotten around to reading. A new study shows it can expose people to a wide range of potentially toxic chemicals.