LYING IN WAIT Huge tubs of water (one shown) at the Pierre Auger Observatory in Argentina reveal the tracks left as cosmic particles zip through them.
BLAZE OF GLORY Cassini burned up like a comet above Saturn’s cloud tops just before 5 a.m. PDT on September 15. This artist’s illustration shows what it may have looked like.
The Cassini spacecraft took one final round of images on its farewell tour of the Saturnian system. This raw image, taken September 13 and received on Earth on September 14, showcases Saturn’s hallmark rings.