In the Nov. 25 SN: Charting lumpy space, Bronze Age movers and shakers, T. rex’s slasher arms, gene editor corrects typos, the Great Pyramid hides a void, mosses chronicle Arctic warming, an itty-bitty insect-inspired robot and more.
FOND FAREWELL The Cassini spacecraft took this last look at the Saturn system two days before plunging into the giant planet’s atmosphere.
JPL-Caltech/NASA, Space Science Institute
A WELCOME REPRIEVE Arecibo staff hold a Puerto Rican flag in front of the observatory’s main dish after Hurricane Maria. The observatory will remain open, the National Science Foundation announced November 16.
WATCHING LIKE A HAWC The HAWC experiment near Puebla, Mexico, uses more than 300 tanks of water to detect the signatures of gamma rays. Its new observations have reignited a debate about the source of unexplained antimatter particles from space.
New telescopes and spacecraft will soon help researchers scour our galaxy for signs of extraterrestrial life. But what might aliens look like? And if they do exist, why haven’t they returned our calls? These are just some of the questions addressed in the Science News special report “In Search of Aliens” (SN: 4/30/16, p. 24).