Introduction to Astrobiology

More like this

Falsehood!!! Sometimes people say this because it seems reasonable to them ... what, with life originating so long ago and so much geological mushing-around happening since then. But sometimes people say this, and sound quite innocent saying it, because they want to throw the average person off…
More than one-third of the giant planet systems recently detected outside our solar system may harbor Earth-like planets, according to a new study by scientists associated with NASA's Astrobiology Institute. Many of these planets may be covered in deep global oceans, with abundant potential for…
It probably doesn't look like Marvin. (from here) The data haven't been released yet, but that's what CNN is reporting: The soil on Mars may contain microbial life, according to a new interpretation of data first collected more than 30 years ago. The search for life on Mars appeared to hit a dead…
A lot of brain power has been devoted to establishing Biosignatures, as a means for remotely detecting alien life. But, what if alien cows don't fart? Can we still conceive of robust generic biosignatures that are not just slavish restatements of what we think we know about the Earth? One of my…