About 40% of women have dense or extremely dense breasts. Online risk assessment tools can help women decide if a breast MRI ...

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

Slushy hailstones of ammonia and water were part of a bizarre theory to explain the planet's poorly mixed atmosphere. These mushballs seem to be real, say UC Berkeley scientists.

The foothills between 6,000 and 9,000 feet saw the greatest snow impacts, and another 3-6 inches of snow is possible by noon ...

A spring storm will bring rain and snow to close Easter week, with quieter conditions for the holiday weekend!

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

After taking office, Trump first ordered a 10% increase in tariffs on imports from China. He later raised that to 20%. Now, ...