U. S. mid-term elections that could shift control of Congress to Republicans on Tuesday are adding to the uncertainty.

将于周二举行的美国中期选举，可能会使共和党人控制美国国会，为当前的形势增加了不确定性。

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AeroVironment's remote-control attack plane may be small, but it represents a big shift taking place in the U.S. military: Today's defense robotics are more focused on killing and less dependent on humans than ever before.

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If control of Phobos-Grunt cannot be re-established, the focus of interest will very rapidly shift to the spacecraft's certain fall to Earth.

BBC: Stricken Mars probe stays silent