The Qatari prime minister, working with both President Biden’s envoy and President-elect Donald J. Trump’s representative, formed an unlikely partnership. By Patrick KingsleyAdam Rasgon and ...

Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...

Wildfires fueled by strong Santa Ana winds have devastated Southern California, destroying thousands of homes and causing 27 deaths. The fires, affecting urban areas and the Olympic preparation ...