Mission Reports

Station crew preps for Saturday return to Earth

In a rapid-fire crew rotation, a NASA astronaut and two Russian cosmonauts are packing up for the trip back to Earth Saturday, leaving the International Space Station just eight days after the arrival of another three-person crew and three weeks before their own replacements arrive to boost the lab’s crew back to six.

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Possible water plumes spotted above Europa

The Hubble Space Telescope has again spotted what appear to be towering plumes of water vapor erupting from Jupiter’s moon Europa, hinting that future spacecraft may be able to sample the hidden sea, a possible abode of life, without having to drill through miles of rock-hard ice, researchers said Monday.