As project scientist on Rosetta, Alexander, 55, oversees NASA’s contribution to the mission. That includes three instruments on the orbiter, as well as tracking and navigation support from the ...

According to NASA, Rosetta, which launched in 2004, was the most traveled and accomplished comet hunter in the space program. It studied Chury's gas, dust and plasma environment, ...

With its phenomenally successful Rosetta orbiter and Philae lander mission to Comet 67P/Churyumov-Gerasimenko, the European Space Agency (ESA) finally got the kind of well-deserved global ...

As the European Space Agency's Rosetta prepares to land a probe on the surface of a moving comet on 12 November, NASA has described the task as "ridiculously difficult".

That is, until the Rosetta spacecraft, a joint mission between NASA and the European Space Agency which was launched way back in 2004, spotted a strange glow coming from comet 67P/Churyumov ...

Two iconic spacecraft are approaching the end of their missions, but plans for their final resting places are very different. Crave's Eric Mack considers why.

NASA contributed three of Rosetta’s instruments and provided its Deep Space Network to send commands to the spacecraft and receive its signals. NASA’s acting science chief, ...

Three NASA science instruments aboard the European Space Agency's (ESA) Rosetta spacecraft, which is set to become the first to orbit a comet and land a probe on its nucleus, are beginning ...

NASA's Rosetta 'Alice' spectrometer reveals Earth's ultraviolet fingerprint in Earth flyby Peer-Reviewed Publication. Southwest Research Institute ...

After a 10½-year journey through the Solar System chasing Comet 67P/Churyumov-Gerasimenko (Comet C-G), the European Space Agency Rosetta spaceship is scheduled to deploy its lander, Philae, on ...