Mission Reports

Live coverage: Two-man crew departs space station, returns home

Two crewmen returned to Earth from the International Space Station on Friday, riding a Russian Soyuz spaceship to a parachute-assisted, rocket-cushioned landing in Kazakhstan to close out more than 196 days in orbit. Oleg Novitskiy and Thomas Pesquet undocked from the station at 1047 GMT (6:47 a.m. EDT) and landed in Kazakhstan at 1410 GMT (10:10 a.m. EDT).

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Gravitational wave testbed repurposed as comet dust detector

In the final months of Europe’s LISA Pathfinder mission, scientists have found an unexpected use for the trailblazing testbed for a future gravitational wave observatory by tracking the tiny dings made by microscopic particles that strike the spacecraft in deep space, exploiting the impacts to learn about the population of dust grains cast off by comets and asteroids across the solar system.

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Europe’s ExoMars spacecraft begins lowering its orbit

The ExoMars Trace Gas Orbiter, a Russian-launched, European-built spacecraft that arrived at Mars in October, is starting to dip into the upper reaches of the red planet’s atmosphere in a year-long “aerobraking” campaign place the observatory in the right position to hunt for methane, an indicator of potential biological activity.