Countdown clocks began ticking Monday, setting the stage for launch of the Artemis II moon mission early Wednesday evening.

Tetanus could make a comeback, especially in states vulnerable to climate-linked natural disasters like Florida and Texas, an NBC News investigation finds.

Rescuers on Thursday again attempted to free a humpback whale stranded on Germany's Baltic Sea coast, employing a large suction dredger to remove sand around the animal. Two excavators were digging a trench in an attempt to free the whale, which has been stuck in shallow waters at the Timmendorfer Strand beach since early on Monday, drawing heavy media attention.