The deceased include a Puerto Rican artist and Costa Rica-born accountant as search and rescue efforts continue.
Thousands of people were left in the dark following the incidents, although it was unclear if they were linked.
Some 44 attorneys general from the US urged the Facebook CEO to drop plans for a version of Instagram for kids under 13.
Declaration welcomed by activists who have been calling for it for years in a country where one woman is killed a week.
Trump administration says grant is meant to help rebuild infrastructure on US territory hard hit by natural disasters.
For five decades Arecibo was the largest single-aperture telescope in the world, used to study distant planets.
Islanders cannot vote in the US presidential election but both parties have sought to win Puerto Ricans on the mainland.
If all political stars align, this time the bankrupt territory of 3.2 million may have a real chance at statehood.
Amid the racial justice movement, protesters in the US territory have called on leaders to rethink its monuments.
Bondholders agreed to reduced repayments on Puerto Rico’s bonds, but want their money earlier.
A series of quakes destroyed or damaged about 300 homes, and led Governor Wanda Vazquez to declare a state of emergency.
The 6.4 magnitude earthquake was the most severe in a series of tremors off the US territory over the past 10 days.
Dorian expected to strengthen into a Category 4 hurricane as it moves towards the US mainland.
Flooding and power outages expected in Puerto Rico as storm due to strengthen before heading for US mainland.