Two independent teams have found what may be the first direct evidence of water ice on the surface of an asteroid. (newscientist.com)
Combining high resolution images and infrared spectra collected during the probe's approach, a team of nearly two dozen scientists pinpointed three patches of water ice on the surface of the comet's «upper» half. (newscientist.com)
When Pluto warms up again, methane, nitrogen, carbon monoxide and other chemicals transform directly from ice on the surface into atmospheric gases. (scientificamerican.com)