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Geologic features at the Opportunity landing site on Mars were formed not by a lake that evaporated but by constant strikes from meteorites, say two Arizona State University geologists.

The site where the Mars Exploration Rover Opportunity landed has sediments and layered structures that are thought to be formed by the evaporation of an acidic salty sea. The prevailing thought is that when this Martian sea existed it may have supported life forms and thus would be a prime site

The news that Beagle 2 may have been spotted on the surface of Mars in the immediate vicinity of where it was expected to land was welcomed by the European Space Agency.

ESA’s Mars Express spacecraft had delivered the Beagle 2 lander to Mars on 25 December 2003.

ESA’s Director of Science David Southwood said, “If this turns out to be a definitive sighting then we can feel very pleased not only for the Beagle 2 team but also for everyone else involved in getting the pro

The second member of Europe’s new generation of weather satellites has successfully been lifted onto orbit, continuing an uninterrupted series of launch successes since 1977.

This ninth Meteosat satellite, developed on behalf of EUMETSAT under the aegis of the European Space Agency, will reinforce EUMETSAT’s capacity to monitor the Earth atmosphere above Europe, Africa, the Middle-East and the Atlantic Ocean.

MSG-2 (2nd flight model of Meteosat Second Generation) was o

When it comes to the information in a mammogram, Purdue scientists say less is more – and their findings could bring medical care to many far-flung communities.

A team of researchers, including Bradley J. Lucier, has found that digitized mammograms, the X-ray cross sections of breast tissue that doctors use to search for cancer, are actually interpreted more accurately by radiologists once they have been “compressed” using techniques similar to those used to lessen the memory deman

Ohio State University scientists have thought of a new way to solve an astronomical mystery, and their plan relies on a well-connected network of amateur stargazers and one very elusive subatomic particle.

To understand what happens inside exploding stars, or supernovae, scientists need to study particles called neutrinos, explained John Beacom, assistant professor of physics and astronomy at Ohio State. Neutrinos are formed in the nuclear reactions that make stars like our sun s

Studies in drosophila genetics inform development of human heart

Researchers at The Burnham Institute for Medical Research have provided detailed insights into the early formation of the heart. A team lead by Dr. Rolf Bodmer found that two proteins, called Robo and Slit, are required for normal development of the heart and that malfunction of either of these proteins severely impacts the heart’s structure, resulting in congenital heart defects. These findings were publish