Astronomers have unearthed secrets from the grave of a star that blasted apart in a supernova explosion long ago. By decoding ghostly echoes of light traveling away from the remains of a supernova called Cassiopeia A, the scientists have pieced together......

NASA again reschedules GLAST launch dateCAPE CANAVERAL, Fla., June 3 (UPI) -- First it was Tuesday, then it was Thursday and now the U.S. space agency has decided on Saturday for the launch of its newest space telescope.The Gamma-ray Large Area Space......

Peruvian regional authorities have decided to protect isolated tribes in the Amazon rainforest against the threat of illegal logging, after repeated warnings about their plight. The presence of the indigenous people between Peru and Brazil was reveale......

US experts and environmental activists on Tuesday slammed President George W. Bush for threatening to veto a far-reaching climate change bill which is before the Senate for debate. "We have had seven years of President Bush trying to mislead the count......

The U.S. Food Safety and Inspection Service said it has ordered Tyson Foods Inc. to stop using Raised Without Antibiotics labels on its chicken products.The FSIS noted it is required to ensure labels are not false and misleading. In December, the FSIS appr......