(Reuters) - Ukrainian President Volodymyr Zelenskiy is leaving the White House early on Friday after a contentious Oval Office meeting with President Donald Trump, a White House official said.

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

June 27 (Reuters) - The S&P 500 and Nasdaq Composite closed at all-time highs on Friday, bouncing back from a turbulent period sparked by U.S. President Donald Trump's trade policies based on tariffs.