Jan 21, 2014 07:24 AM EST
Rosetta Spacecraft Wakes Up After 31 Months and On Track to Chase Comets
It's been 31 months since the ESA has heard from its distant spacecraft, Rosetta. Now, scientists have finally gotten a signal from the spacecraft that's chasing down a comet. The latest signal shows that the Rosetta space mission is on track and should shed some light on comets.
