After collecting eight rock-core samples from its first science campaign and completing a record-breaking, 31-Martian-day (or sol) dash across about 3 miles (5 kilometers) of Mars, NASA's Perseverance rover arrived at the ...
Planetary Sciences
Apr 19, 2022
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244
Debate over the origin of large-scale polygons (hundreds of meters to kilometers in diameter) on Mars remains active even after several decades of detailed observations. Similarity in geometric patterns on Mars and Earth ...
Space Exploration
Jul 27, 2012
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0
(PhysOrg.com) -- ESA's Mars Express has returned strong evidence for an ocean once covering part of Mars. Using radar, it has detected sediments reminiscent of an ocean floor within the boundaries of previously identified, ...
Space Exploration
Feb 7, 2012
3
0
A small team of researchers from France and the U.K. has found evidence of lead pipe construction by the early Romans in soil samples taken from harbors near ancient Rome. In their paper published in Proceedings of the National ...
According to a new paper, ancient Maya reservoirs, which used aquatic plants to filter and clean the water, "can serve as archetypes for natural, sustainable water systems to address future water needs."
Earth Sciences
Oct 9, 2023
0
189
Scientists have created a more accurate history of how Earth's climate has varied over the last 1.5 million years, after developing a new method that lets them draw on natural temperature records that have never before been ...
Earth Sciences
Oct 11, 2012
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0
(AP)—Britons may have discovered a taste for bread thousands of years earlier than previously thought, thanks to trade with more advanced neighbors on the European continent.
Archaeology
Feb 26, 2015
2
72
Until now, studies of Earth's climate have documented a strong correlation between global climate and atmospheric carbon dioxide; that is, during warm periods, high concentrations of CO2 persist, while colder times correspond ...
Earth Sciences
Jun 6, 2012
12
0
"Dig deep" to avoid naturally occurring arsenic contamination has been promoted as an answer to obtaining safe water in South Asia, which has experienced mass poisoning. But arsenic has been found in numerous deep wells drilled ...
Environment
Aug 12, 2013
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0
(PhysOrg.com) -- The fossil record is known to be biased by the unevenness of geographical and stratigraphical sampling, and the lack of exposed rocks containing fossils. In a recent Perspective in Science [2 January 2009] ...
Earth Sciences
Jan 14, 2009
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