From the outside, wildfire smoke may look like a drifting gray cloud. But for scientists, these plumes are dynamic, complex, ...

Sébastien Lecornu, 39, was on Monday appointed by Emmanuel Macron as France’s new prime minister, tasked with pushing the ...

The United States has suspended some funding for its flagship AIDS relief program, according to international organizations and members of Congress who warn the cuts are already hurting patients and ...