American Airlines planes sit on the tarmac at Miami International Airport this month. Reports indicate that American Airlines has canceled somewhere between 2 and 5 percent of flights in recent days, reportedly blaming a surge in pilot sick days and maintenance write-ups by pilots.
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Families in a predominantly Latino youth soccer league gather for matches in Aurora. Hispanics make up nearly a third of the city's population, according to the 2010 Census.
Megan Verlee for NPR
NASA says it has found proof that water shaped the rocks on the left, in a photograph taken by the Mars rover Curiosity (left). For comparison, the agency released an image of rocks from the Earth (right).