High temperatures continue to affect people in the U.S. and abroad, including in Iran where it reached 152 degrees on Sunday. The southwestern part of the U.S. continues to experience extreme weather after over a week of a heat wave.
U.S. officials granted full approval to a closely watched Alzheimer’s drug on Thursday, clearing the way for Medicare and other insurance plans to begin covering the treatment for people with the brain-robbing disease.
The planet's temperature spiked on Tuesday to its hottest day in at least 44 years and likely much longer, and Wednesday could become the third straight day Earth unofficially marks a record-breaking high, the latest in a series of climate-change extremes that alarm but don't surprise scientists.
