What are those mysterious clumps on the legs of the Phoenix Mars Lander and why do they appear the be growing? Scientists believe that they be bits of mud or salt that attract moisture.
A startup company is partnering with Google, HSBC, and Liberty Global to develop a satellite system that can provide broadband Internet access to underserved regions of the globe, such as Africa.
A problem with the guidance and navigation unit on the upper stage of a Rockot launch vehicle has postponed the launch of Europe's GOCE Earth sciences spacecraft until next month.
A radiator on the ISS has suffered some minor damage. Also, the recent reentry problems with Soyuz spacecraft may be linked to long-term exposure to the electromagnetic environment around the station.