Russia successfully tests its new RS-24 ICBM, purportedly designed to defeat present and future anti-missile systems. (RIA Novosti) (Interfax-AVN) (The Guardian)
A study on the development of land-adapted limbs in prehistoric fish is published in Nature. From analysis of the fossil remains of Tiktaalik roseae's fins the authors conclude that gradual changes can explain the evolution in its structure. (BBCNews)
Members of NASA's Spirit rover team announce the discovery of a patch of soil on Mars that consists of about 90 percent silica. This is seen as strong evidence for liquid water in the area of Gusev crater at some earlier time. (Reuters)
NASA and the European Space Agency announce that the Hubble Space Telescope has detected a ring of dark matter 2.6 million light-years wide, in a galaxy cluster five billion light-years from Earth. (Boston Globe) (NASA)
A startup grant sponsored by the John D. and Catherine T. MacArthur Foundation and the Alfred P. Sloan Foundation is announced to fund the Encyclopedia of Life. (Reuters)
Mission members of the COROT space observatory program announce the discovery of its first exoplanet, found during its initial 60-day science phase. It is designated COROT-Exo-1b and orbits its sun once in 1.5 days. (SpaceRef.com)
Using precise measurements of planet Mercury's rotation, scientists discover a significant "wobble", that most likely is caused by the core of the planet being liquid.(Reuters)
May 2007 in science Wikipedia (Text) CC BY-SA
