NASA May Have Discovered Flowing Water on MarsDark, finger-like features appear and extend down some Martian slopes during late spring through summer, fade in winter, and return during the next spring. Repeated observations have tracked the seasonal changes in these recurring features on several steep slopes in the middle latitudes of Mars' southern hemisphere.
posted by modernnomad
on Aug 4, 2011 -
The Carnegie Institution for Science reports "a much higher water content in the Moon’s interior than previous studies." For decades, the moon's water content was estimated at less than 1 part per billion; the new estimates range from 64 ppb to 5 parts per million. A scientist at Washington University said, "We can now finally begin to consider the implications—and the origin—of water in the interior of the Moon.”
There's more at NASA and the BBC, and the full paper is available at PNAS (PDF).
posted by Stan Carey
on Jun 15, 2010 -