Latest Rille Stories

Image 1 - New Mystery On Mars' Forgotten Plains
2011-10-12 09:23:41

One of the supposedly best understood and least interesting landscapes on Mars is hiding something that could rewrite the planet´s history. Or not. In fact, about all that is certain is that decades of assumptions regarding the wide, flat Hesperia Planum are not holding up very well under renewed scrutiny with higher-resolution, more recent spacecraft data. "Most scientists don't want to work on the flat things," noted geologist Tracy Gregg of The University at Buffalo, State...

2010-07-13 07:20:00

A whole new world came to life for Alice when she followed the White Rabbit down the hole. There was a grinning cat, a Hookah-smoking caterpillar, a Mad Hatter, and much more. It makes you wonder... what's waiting down the rabbit-hole on the Moon? NASA's Lunar Reconnaissance Orbiter (LRO) is beaming back images of caverns hundreds of feet deep -- beckoning scientists to follow. "They could be entrances to a geologic wonderland," says Mark Robinson of Arizona State University, principal...

2006-11-13 10:40:00

Conventional wisdom says the Moon is dead. Conventional wisdom may be wrong. Recently in the journal Nature, a team of scientists led by Prof. Peter Schultz of Brown University announced evidence for fresh geologic activity on the Moon. Although lunar volcanism was supposed to have ceased billions of years ago, there's at least one place on the Moon where "outgassing" may have happened within the past 10 million years--and may still be happening today (Schultz, Staid and Pieters, Nature,...

Word of the Day
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'