With the discovery of an Earth-sized habitable in its star’s “goldilocks” zone, the question some are asking is, “Why haven’t we discovered alien life yet?” Some speculate a planet like this might be proof that advanced civilizations just can’t survive The Great Filter.
It looks like a setback for scientists attempting to determine which planets are habitable as a common method for determining their compositions is questioned.
In an article published today, Ars outlines a NASA rescue plan that could have saved the Columbia’s crew. And, man, it would’ve made a great movie. Until you let reality set in.
I went to the World Science Festival on Saturday where they discussed not just the concept of space-time but whether time has a direction. It was a fascinating discussion that I try to relate. Includes video!
A pair of stories written recently detail the problems of traveling to Mars. Radiation came up in each and it’s something we’ve tried to deal with in the URS storyworld.
