Feeling thirsty? If you could somehow capture the water vapor from Rosetta's comet, you would have the equivalent of two…
It's no surprise that there is a lot of water in comets. The "dirty snowballs" (or dusty ice-balls, more accurately)…
Comets are notoriously hard to predict -- just ask those people on Comet ISON watch late in 2013. So as…
Wow! This image shows the target comet for the Rosetta mission starting to develop a tail. This bodes well for…
Philae is awake... and taking pictures! This image, acquired last night with the lander's CIVA (Comet nucleus Infrared and Visible…
Hang onto your space helmets. Â With a few moves of the mouse, you can now follow the European Rosetta mission…
Little Philae is awake! ESA sent a wake-up call to the 100-kg (220-lb) lander riding aboard the Rosetta spacecraft this…