In the Dec. 9 SN: Lessons from the Pliocene, searching for new ways to fight MS, a supernova on repeat, the great gene drive debate, spider sleep secrets, an ailing boy gets new skin, kleptopredation and more.
CRASH AND WAVE In a galaxy 130 million light-years away, two neutron stars collided. This year, in the first detection of its kind, observatories caught the resulting gravitational waves and light show (illustrated).
NSF, LIGO, Sonoma State Univ., A. Simonnet
SPACING OUT Quantum communication through space is possible thanks to a Chinese satellite that beams particles of light down to telescopes like this one in Xinglong, China (shown here tracking the satellite’s location with a laser).
VORTEX FOUND Newly observed swirls of electric current in a high-temperature superconductor (shown in an artist’s conception) may indicate that the unusual material fits within the standard theoretical picture.