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Science 6 April 2001:
Vol. 292. no. 5514, pp. 39 - 40
DOI: 10.1126/science.292.5514.39
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News Focus

LUNAR AND PLANETARY SCIENCE CONFERENCE:
Rethinking Water on Mars and the Origin of Life

Richard A. Kerr

HOUSTON--Last month, planetary scientists gathered here at NASA's Johnson Space Center to consider the rocky (and icy) bodies of the solar system, from motes of dust to the terrestrial planets. Mars got the lion's share of attention, including second thoughts on whether water has shaped gullies and layered sediments there, but the prospect of interstellar travel--by bacteria on bits of rock blasted from the planets--also came up.

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
The enigma of the origin of life and its timing.
M. A. Line (2002)
Microbiology 148, 21-27
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Science. ISSN 0036-8075 (print), 1095-9203 (online)