Space.com is carrying this article summarizing the solution of a mystery surrounding the Martian southern ice cap. For years scientists had noticed strange, spidery formations of dust and rock, but had no clue as to what was causing them. By using data from the new Martian probes, a group of scientists has determined they're caused by seasonal jets of CO2 blasting into the sky at more than 100 mph.

Talk about your summer shows!