I saw an interesting article about the possible causes for the demise of the mammoth. Most often, humans are blamed for hunting them to extinction but recently scientists have theorized that a climate change combined with human predation may be the ultimate reason for their disappearance. You can read more here.
Another interesting tidbit surfaced on possible organic chemicals found on one of Saturn's moon. Apparently, Enceladus is thought to have liquid water, which along with the organic chemicals, could support life. You can read more here.
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