If dark matter exists in the universe, scientists now have set the strongest limit to date on its mass.In a paper to be published on Dec. 1 in Physical Review…
A result released today (August 25) from the MINOS experiment at the Department of Energy’s Fermi National Accelerator Laboratory appears to quell concerns…
The system possesses a so-far unique blend of a hot and massive star with a compact fast-spinning pulsar. The pair's closest encounters occur every 3.4 years…
The University of Tokyo announced on February 7, 2011 that Professor M. Tanaka and his colleagues have succeeded in determining the Fermi level position and…
Stardust will approach to within 124 miles of Tempel 1 at 10:56 p.m. CST Monday, Feb. 14. The spacecraft flew within 150 miles of comet Wild 2 in 2004, when it…
The new lifetime measurement—the most precise ever made of any subatomic particle—makes possible a new determination of the strength of the weak nuclear force….