Prime Minister Justin Trudeau of Canada is the first foreign G7 leader to visit President-elect Donald J. Trump since the election. He is under pressure to persuade Mr. Trump to back down from his ...

These small vortices of darkness may have swirled to life soon after the universe formed with the big bang, some 13.7 billion years ago, and then quickly evaporated. Astronomers also suspect that ...

The president-elect made the announcement on Truth Social on Sunday. ABC News’ MaryAlice Parks discusses President Joe Biden's invitation for President-elect Donald Trump to visit the White ...