Could Martian research samples carry diseases?

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - After analyzing Hubble Space Telescope images of star cluster NGC 1818 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way, researchers at the Kavli Institute for Astronomy and Astrophysics at Peking University in Beijing found more binary star systems toward the periphery of cluster than in the center -- the opposite of what they expected. The surprising distribution of binaries is thought to result from complex interactions among stars within young clusters. See article.
g Intelligence - The balance of evidence, researchers say, suggests that human language is a grafting of two communication forms found elsewhere in the animal kingdom: first, the elaborate songs of birds, and second, the more utilitarian, information-bearing types of expression seen in a diversity of other animals. See article.
g Aftermath - Could Martian research samples carry diseases? Certainly this is an issue for the first time we make contact with extraterrestrial life, whether it is intelligent or microbial. See article.

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