European Space Agency

Inside Rosetta's comet

There are no large caverns inside Comet 67P/Churyumov-Gerasimenko. ESA's Rosetta mission has made measurements that clearly demonstrate this, solving a long-standing mystery.

dateFeb 04, 2016 in Space Exploration
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Sentinel-3A fully tanked

With the launch of Sentinel-3A confirmed for 16 February, preparations for liftoff are charging full speed ahead. The tricky task of fuelling the satellite has now been ticked off the 'to do list' and the propulsion team ...

dateFeb 04, 2016 in Space Exploration
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JWST instruments are coming in from the cold

After being tested at extremely low temperatures for more than two months, the four instruments of the James Webb Space Telescope are preparing to come in from the cold. First indications from the NIRSpec and MIRI teams are ...

dateFeb 03, 2016 in Space Exploration
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ESA image: Colours of Sweden

This image is a composite of radar scans by Sentinel-1A on different dates of the Siljan Ring, located in the province of Dalarna in central Sweden.

dateFeb 05, 2016 in Earth Sciences
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