In the May 27 SN: Genetic intruders, seeing Chaco in a new light, an artificial womb, Mars’ origin revisited, domestication of the horse, glimpsing Earth’s glacial past, what’s in a fang blenny’s bite and more.
In the 13
years since the first discovery of a planet orbiting a sunlike star outside our
solar system, astronomers have found about 300 such “extrasolar” planets, but
still have no pictures of any of them.