The probe found enough energy to send a signal — which hadn't been guaranteed. If all goes well, we may know fairly soon whether the comet it's on carries the stuff of life.
June 30, 2015
The European Space Agency's Rosetta spacecraft is on track to rendezvous with a far-away comet and land a probe, a first. It will be a major turning point in our history and one that promises to address key questions such as the origin of water and life on Earth.
February 14, 2014