An eight-hour concert Friday night was a procession of generations of hip-hop royalty, from the Sugar Hill Gang to current stars like Lil Wayne. Run-DMC gave what was billed as their last performance.

Hawaii Gov. Josh Green said he has ordered a comprehensive review to understand the actions taken before, during and after last week's wildfires on Maui.

As one of the worst heat waves on record set in across much of the southern United States, barrels of life-saving water for wayward migrants traveling on foot have vanished.

Researchers in upstate New York are working to rehome some tiny, rare snails. Understanding their decline could help mitigate broader climate changes.