The universe may have 10 times as many galaxies as we thought; A comet smashing into ancient Earth may have set off catastrophic global warming; Surprising spidey sense: Arachnids can eavesdrop quite well without any ears; The moon is a more violent place than we thought;   Rachel Feltman and Sarah Kaplan on Science   Dear Science: How did the planets get their names? Some were named by anonymous ancient astronomers. Pluto was christened by an 11-year-old schoolgirl named Venetia. By Rachel Feltman and Sarah Kaplan  •  Read more » ADVERTISEMENT   The universe may have 10 times as many galaxies as we thought A new census of the cosmos says we're missing more than a trillion galaxies. By Rachel Feltman  •  Read more »   A comet smashing into ancient Earth may have set off catastrophic global warming A period of dramatic global warming 56 million years ago could hold lessons for scientists today. By Sarah Kaplan  •  Read more »   Surprising spidey sense: Arachnids can eavesdrop quite well without any ears A squeaky lab chair might change the way we think about spiders. By Erin Blakemore  •  Read more »   The moon is a more violent place than we thought Lunar colonies may have to look out for dangerous sprays of moon dust and meteor debris. By Rachel Feltman  •  Read more »   ADVERTISEMENT   Recommended for you   The Switch The day's top stories on the tech industry and tech in our lives. Sign Up »         Share Speaking of Science:       Twitter      Facebook Trouble reading? Click here to view in your browser. You received this email because you signed up for Speaking of Science. For additional free newsletters or to manage your newsletters, click here. We respect your privacy. If you believe that this email has been sent to you in error or you no longer wish to receive email from The Washington Post, click here. Contact us for help. ©2016 The Washington Post, 1301 K St NW, Washington DC 20071