New study: Are voters influenced by campaign visits?

Despite their extensive national press coverage, campaign visits might not be worth presidential candidates' time and resources. A new study out today finds that voters are largely unaware of and unresponsive to campaign ...

NASA's Fermi mission expands its search for dark matter

Dark matter, the mysterious substance that constitutes most of the material universe, remains as elusive as ever. Although experiments on the ground and in space have yet to find a trace of dark matter, the results are helping ...

How a star cluster ruled out MACHOs

Are massive black holes hiding in the halos of galaxies, making up the majority of the universe's mysterious dark matter? This possibility may have been ruled out by a star cluster in a small galaxy recently discovered orbiting ...

Astronomers help focus research in the search for another Earth

Using public data collected by NASA's Kepler mission, astronomers have catalogued the planet candidates that may be similar to our third rock from the sun. The tabulation of candidates will help astronomers focus their research ...

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