Weather data show how humankind’s burning of fossil fuels made the hot, dry, windy weather more likely, setting the stage for the Los Angeles wildfires.
As wildfires burn the landscape, they prime slopes for debris flows: powerful torrents of rock, mud and water that sweep downhill with deadly momentum.
When Trump’s move to leave WHO takes effect in a year, it may gut funding for global public health and limit U.S. access to crucial data, experts warn.
High radiation during a time of frenzied star formation in the Milky Way left one stellar population with few chances to form planets, a study reports.