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How we solved an Arctic mercury mystery

In the Canadian Arctic, a mystery has troubled scientists and local communities for decades: Why do marine animals in the western Arctic have higher mercury levels than those in the east?

BepiColombo: Two orbiters head to mercury

Known since antiquity, Mercury has not yet delivered all its secrets. The international mission BepiColombo, scheduled to launch in the coming days, will study the planet's surface and compare its magnetic field with that ...

Mission control ready for Mercury

Teams responsible for flying the bold BepiColombo mission to Mercury today completed the last major step in preparation for Saturday's liftoff—the final pre-launch 'dress rehearsal' at ESA's ESOC control centre in Darmstadt, ...

SwRI's Strofio will measure Mercury's 'exosphere'

The European Space Agency's BepiColombo spacecraft will launch towards Mercury carrying a unique payload designed and built at Southwest Research Institute: an instrument called Strofio, which will study Mercury's tenuous ...

BepiColombo monitoring camera test image

An unusual view of part of the BepiColombo spacecraft stack, taken by one of the monitoring cameras (or 'selfie-cams') fixed to the Mercury Transfer Module, MTM. The camera is looking up towards the solar array drive (top ...

Five in a row—the planets align in the night sky

For the second time this year, the five brightest planets can be seen at the same time. You can catch them by looking towards the western sky after sunset. The planets will form a line rising up from the horizon.

Video: BepiColombo mission to Mercury

BepiColombo is scheduled for launch at 01:45 GMT (03:45 CEST) on 20 October on an Ariane 5 from Europe's Spaceport in Kourou.

Mercury and its depressions

One of the most surprising discoveries of the NASA's Messenger mission was the presence of unusual, bright, irregular and rimless flat-floored depressions on the surface of Mercury. These depressions, called hollows, are ...

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