TEOTIHUACAN, Mexico - A Mexican archeologist hunting for a royal tomb in a deep, dark tunnel beneath a towering pre-Aztec pyramid has made a discovery that may have brought him a step closer: liquid mercury.
NEW YORK - Warning of an "innovation deficit," scientists at the Massachusetts Institute of Technology say declining government spending on basic research is holding back potentially life-saving advances in 15 fields, from robotics and fusion energy to Alzheimer's disease and agriculture.
WASHINGTON - Deep beneath Yellowstone National Park, one of the world's most dynamic volcanic systems, lies an enormous, previously unknown reservoir of hot, partly molten rock big enough to fill up the Grand Canyon 11 times, scientists say.
NEW YORK - Celladon Corp said its heart failure gene therapy Mydicar failed to meet its primary and secondary endpoints in an important trial.
LONDON - Formula One's cutting-edge aerodynamic technology is moving into the supermarket chill cabinet.
NEW YORK - Biologists in China reported carrying out the first experiment to alter the DNA of human embryos, igniting an outcry from scientists who warn against altering the human genome in a way that could last for generations.
CAPE CANAVERAL, Fla. - NASA on Thursday marked the silver anniversary of the Hubble Space Telescope with fireworks, of a celestial kind, conveyed by the orbiting observatory itself. | Video
WASHINGTON - The most complete genetic information assembled on woolly mammoths is providing insight into their demise, revealing they suffered two population crashes before a final, severely inbred group succumbed on an Arctic Ocean island.
LONDON, ENGLAND, UNITED KINGDOM, APRIL 20, 2015 - A British entrepreneur has designed what he calls 'the safest bike in history' and hopes its manufacture could help those currently reluctant to cycle, due to safety concerns, to get in the saddle. | Video
WASHINGTON - For extinct creatures like dinosaurs known only from fossils, it is notoriously difficult to differentiate the males from the females of a species because sex distinctions are rarely obvious from the skeletons.
CHICAGO - Hundreds of farm workers exposed to a highly pathogenic strain of bird flu have been offered antiviral medication as a preventative measure in recent days, U.S. public health officials said.