Exclusive articles:
US formally exits Paris pact aiming to curb climate change
The United States on Wednesday formally left the Paris Agreement, a global pact it helped forge five years ago to avert the threat of catastrophic climate change.
Flash of luck: Astronomers find cosmic radio burst source
A flash of luck helped astronomers solve a cosmic mystery: What causes powerful but fleeting radio bursts that zip and zigzag through the universe?
Did social media actually counter election misinformation?
Ahead of the election, Facebook, Twitter and YouTube promised to clamp down on election misinformation, including unsubstantiated charges of fraud and premature declarations of victory by candidates. And they mostly did just that — though not without a few hiccups.
Public health may be US election loser as coronavirus surges
Regardless of the presidential election outcome, a vexing issue remains to be decided: Will the U.S. be able to tame a perilous pandemic that is surging as holidays, winter and other challenges approach?
Virus hospitalizations surge as pandemic shadows US election
Americans went to the polls Tuesday under the shadow of a resurging pandemic, with an alarming increase in cases nationwide and the number of people hospitalized with COVID-19 reaching record highs in a growing number of states.
