biology We may have already killed life on Mars Thom Dunn

Herschel Walker If you're a Martian, don't worry, Walker's got your back! Jennifer Sandlin

Space Look at this tiny delicate "flower" photographed on surface of Mars David Pescovitz

Mars NASA seeking Martians for one-year pretend mission David Pescovitz

Ad John Carter of Mars' Secret Weapon: MDRNST Boxer Briefs Boing Boing

fun These Viking Glass vases are dressed up like the Yip-Yips Jennifer Sandlin

books Mars rover photographed a book on the surface of the Red Planet! David Pescovitz

muppets Poinsettia reproductive structures or Muppets? You decide! Jennifer Sandlin

sesame street Yip Yips for holding plants Rusty Blazenhoff

movies We finally have a Santa Claus action movie starring David Harbour Devin Nealy

mcdonalds Roswell McDonalds: The only outer-space themed McDonalds on earth Popkin

Space Strange balancing rock spotted on Mars David Pescovitz

china Chinese flag pictured on the moon Kevin Reome

horror The Mind Thing, by Fredric Brown: excellent pulp-era science fiction Mark Frauenfelder

happy mutants Part two of my novella "Martian Chronicles" on Escape Pod: who cleans the toilets in libertopia? Cory Doctorow

Old school All I want (to make) for Christmas: Yip Yips stockings Rusty Blazenhoff

tabletop games Converting die cast toy cars into post-apocalyptic combat vehicles Mark Frauenfelder

happy mutants Hate-speech detection algorithms are trivial to fool Cory Doctorow

Science Are cosmic gorillas limiting our search for E.T.? David Pescovitz