Dark, narrow streaks on Martian slopes such as these at Hale Crater are inferred to be formed by seasonal flow of water on contemporary Mars. NASA hide caption
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Atlanta Dream guard Angel McCoughtry (35) passes around Washington Mystics forward Ally Malott (11) in Washington, D.C., earlier this month. Chuck Myers/Landov hide caption
Tuesday
Mars was named long ago. But there are 20 planetary systems that have stars and planets looking for names — and you can help. NASA hide caption
Monday
Sunday
A Pakistani buyer carries goats in a vehicle on the outskirts of Islamabad for Eid al-Adha, the Muslim holiday of sacrifice. The meat from livestock sacrificed on Eid al-Adha is shared with the poor. B.K. Bangash/AP hide caption
Saturday
Scott Simon's mother's rosary Jun Tsuboike/NPR hide caption
Friday
Wednesday
A selfie taken by a macaque monkey on the Indonesian island of Sulawesi in 2011 with a camera that was positioned by British nature photographer David Slater. AP hide caption
Bill Madden after receiving the J.G. Spink Award for baseball writers during the Baseball Hall of Fame induction ceremony in Cooperstown, N.Y., on July 25, 2010. Madden was one of the sports staffers cut in a recent round of layoffs at the New York Daily News. Mike Groll/AP hide caption
Tuesday
After his mother-in-law's death, NPR's Marc Silver found her go-to cookbook, filled with her copious annotations to recipes. He used it to piece together her take on mandelbread, a Jewish version of biscotti, and other holiday favorites. Akash Ghai/NPR hide caption
Pope Francis reaches out to 5th grader Omodele Ojo of East New York, Brooklyn during his arrival at John F. Kennedy International Airport on Thursday. Craig Ruttle/Pool/Getty Images hide caption