Finding water on comet 67P/Churyumov-Gerasimenko comes as no surprise.  Comets have been known to carry large patches of ice on them. ...

Finding water on comet 67P/Churyumov-Gerasimenko comes as no surprise.  Comets have been known to carry large patches of ice on them. ...

Finding water on comet 67P/Churyumov-Gerasimenko comes as no surprise.  Comets have been known to carry large patches of ice on them. ...

Finding water on comet 67P/Churyumov-Gerasimenko comes as no surprise.  Comets have been known to carry large patches of ice on them. ...

Finding water on comet 67P/Churyumov-Gerasimenko comes as no surprise.  Comets have been known to carry large patches of ice on them. ...

One more first for the Rosetta mission… sounds of Philae landing on Comet 67P/Churyumov-Gerasimenko. ESA The SESAME-CASSE instrument...

One more first for the Rosetta mission… sounds of Philae landing on Comet 67P/Churyumov-Gerasimenko. ESA The SESAME-CASSE instrument...

One more first for the Rosetta mission… sounds of Philae landing on Comet 67P/Churyumov-Gerasimenko. ESA The SESAME-CASSE instrument...

One more first for the Rosetta mission… sounds of Philae landing on Comet 67P/Churyumov-Gerasimenko. ESA The SESAME-CASSE instrument...

One more first for the Rosetta mission… sounds of Philae landing on Comet 67P/Churyumov-Gerasimenko. ESA The SESAME-CASSE instrument...

European Space Agency – ESA This unusual view takes a side-on look down the smaller lobe of Comet 67P/Churyumov–Gerasimenko and onto the...

European Space Agency – ESA This unusual view takes a side-on look down the smaller lobe of Comet 67P/Churyumov–Gerasimenko and onto the...

European Space Agency – ESA This unusual view takes a side-on look down the smaller lobe of Comet 67P/Churyumov–Gerasimenko and onto the...

European Space Agency – ESA This unusual view takes a side-on look down the smaller lobe of Comet 67P/Churyumov–Gerasimenko and onto the...

European Space Agency – ESA This unusual view takes a side-on look down the smaller lobe of Comet 67P/Churyumov–Gerasimenko and onto the...

Tomorrow, Nov. 12, may mark the first time humans have soft-landed on a comet.  If this is successful it will be courtesy of The European...

Tomorrow, Nov. 12, may mark the first time humans have soft-landed on a comet.  If this is successful it will be courtesy of The European...

Tomorrow, Nov. 12, may mark the first time humans have soft-landed on a comet.  If this is successful it will be courtesy of The European...

Tomorrow, Nov. 12, may mark the first time humans have soft-landed on a comet.  If this is successful it will be courtesy of The European...

Tomorrow, Nov. 12, may mark the first time humans have soft-landed on a comet.  If this is successful it will be courtesy of The European...