Science News
Maya lunar calendar notes discovered in Guatemala
WASHINGTON - On the wall of a tiny structure buried under forest debris in Guatemala, archaeologists have discovered a scribe's notes about the Maya lunar calendar, which they say could be the first known records by an official chronicler of this ancient civilization.
Eastern rattlesnake slithers closer to U.S. endangered list
BIRMINGHAM, Alabama - The eastern diamondback rattlesnake, North America's largest venomous snake, may need its own antidote.
Scientists spot unseen planet in Kepler scope data
CAPE CANAVERAL, Florida - Scientists poring over data collected by NASA's Kepler space telescope have discovered a world outside its field of view, demonstrating a new technique for finding planets beyond the Solar System, scientists reported on Thursday.
Scientists urge action on world's biggest problems
LONDON - Scientists from 15 countries are calling for a better political response to the provision of water and energy to meet the challenge of feeding a world of 9 billion people within 30 years.
U.S. downs test missile with new interceptor
WASHINGTON - U.S. forces said they had destroyed a target in the first successful test of the Navy's newest anti-missile interceptor, designed to protect allies from attacks by countries like North Korea and Iran.
Shuttle rocket-builder vying for NASA space taxi work
CAPE CANAVERAL, Florida - Two of NASA's prime contractors are teaming with Europe's Astrium to develop a commercial space taxi built from shuttle heritage booster rockets and a prototype NASA spaceship originally designed as an alternative to the deep-space Orion capsule, the companies announced on Wednesday.
U.S. military embraces robots with greater autonomy
PENN HILLS, Pennsylvania - The unattended steering wheel on the 15-ton military truck jerked sharply back and forth as the vehicle's huge tires bounced down a rain-scarred ravine through mounds of mine rubble on a rugged hillside near Pittsburgh.
It's a gas: dinosaur flatulence may have warmed Earth
WASHINGTON - In a major new climate finding, researchers have calculated that dinosaur flatulence could have put enough methane into the atmosphere to warm the planet during the hot, wet Mesozoic era.
Study finds psychopaths have distinct brain structure
LONDON - Scientists who scanned the brains of men convicted of murder, rape and violent assaults have found the strongest evidence yet that psychopaths have structural abnormalities in their brains.
Scientists "switch off" brain cell death in mice
LONDON - Scientists have figured out how to stop brain cell death in mice with brain disease and say their discovery deepens understanding of the mechanisms of human neurodegenerative diseases such as Alzheimer's and Parkinson's.
Insight: America's hatred of fat hurts obesity fight
NEW YORK - One night when Lynn McAfee was 5 years old, her psychologically troubled mother left her at the side of a road as punishment for a now forgotten infraction.
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