Dark Matter Experiment Has Detected Nothing, Researchers Say Proudly, NY Times “LUX is the latest in a long series of ever-larger experiments that have occupied and taunted the world’s physicists over the last few years. They are all in abandoned mines or other underground places to shield them from cosmic rays, which could cause false alarms. … Larger instruments are already on the drawing boards of LUX and other collaborations, […]

AMS-02: Shining light on elusive dark matter, ESA “The findings hint at a new phenomenon but it is unknown whether the positron ratio comes from dark energy particles colliding with each other or from pulsating stars in our galaxy that produce antimatter.” First Result from the Alpha Magnetic Spectrometer on the International Space Station: Precision Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-350 GeV, Physical Review Letters […]

Change in Experiment Will Delay Shuttle’s End, NY Times “A $1.5 billion seven-ton cosmic-ray experiment scheduled to be carried aloft July 29 on the space shuttle Endeavour won’t be ready until August, according to the experiment’s leader, Samuel Ting of the Massachusetts Institute of Technology, delaying the end of the 29-year-old shuttle program. NASA officials acknowledged that there would be a delay but said they had not yet decided when […]