Science
Burgers vs. trucks: Which release more harmful emissions?
A new study out of California, a state well- studied on the topic of air pollution, has pitted the particulate emissions from charbroiled hamburgers against those of diesel trucks.
New spacecraft wants to use 'Star Trek' tech
If astronauts ever make the trip to Mars, it will take nearly a year to get there. But a new engine is under development to speed up space travel.
Highest free-fall jump postponed due to winds
The highest, fastest free fall in history has been postponed.
Mexico finds 50 skulls in sacred Aztec temple
Mexican archaeologists said Friday they uncovered the largest number of skulls ever found in one offering at the most sacred temple of the Aztec empire dating back more than 500 years.
Mexico: Mayan ball court was celestial 'marker'
Mexican archaeologists say they have determined that the ancient Mayas built watchtower-style structures atop the ceremonial ball court at the temples of Chichen Itza to observe the equinoxes and solstices, and they said Friday that the discovery adds to understanding of the many layers of ritual significance that the ball game had for the culture.
Well-preserved mammoth carcass found in Siberia
A teenage mammoth that once roamed the Siberian tundra in search of fodder and females might have been killed by an Ice Age man on a summer day tens of thousands of years ago, a Russian scientist said Friday.
Bacteria eats poison, poops out gold (VIDEO)
Talk about dirty money.
Archaeologists find likely queen tomb in Guatemala
The discovery of a tomb that experts believe might be that of a great Maya queen could redefine the understanding of women's political roles during the Classic Maya period, experts said Thursday.
The art and science of guessing a Nobel Prize
Guessing who will win a Nobel Prize is a bit like forecasting the stock market: Experts don't seem to do it any better than laymen.
Vietnam returns endangered turtle to Cambodia
A critically endangered turtle that somehow made it to Vietnam decades ago has been returned to its original home: Cambodia.
Robert Christy, Manhattan Project physicist, dies
Robert F. Christy, a former California Institute of Technology professor who helped design the trigger mechanism for the atomic bombs used in World War II, died Wednesday. He was 96.
Research on mice suggests new fertility treatments
Scientists have turned mouse skin cells into eggs that produced baby mice _ a technique that, if successfully applied to humans, could someday allow women to stop worrying about the ticking of their biological clocks and perhaps even help couples create "designer babies."
Air Force launches latest GPS satellite into orbit
The Air Force has launched a satellite from Cape Canaveral to be part of the existing navigation system for the military.
Space station in no need to move to avoid debris
Russia's Mission Control Center said Wednesday it dropped an earlier plan to move the International Space Station into a different orbit to avoid possible collision with space debris after additional calculations showed that there was no such threat.
Johns Hopkins gets $6M to improve wind farm design
Johns Hopkins University says it will lead an international team of researchers studying how to improve wind farm design.
Environmentalist pioneer Commoner dies in NY at 95
Scientist and activist Barry Commoner, who raised early concerns about the effects of radioactive fallout and was one of the pioneers of the environmental movement, has died at age 95.
Study: Fraud growing in scientific research papers
Fraud in scientific research, while still rare, is growing at a troubling pace, a new study finds.
Online effort nets $1.3M to restore Tesla's NY lab
A six-week Internet crowdfunding effort has raised $1.3 million to restore a New York laboratory once used by visionary scientist Nikola Tesla.
Orbital Sciences begins operations at Va. spaceport
Space technology company Orbital Sciences is beginning on-pad operations of its rocket projects at the Mid-Atlantic Regional Spaceport on Virginia's Eastern Shore.
NASA completes spacecraft's water impact testing
NASA says it has completed final testing of the water impact of the Orion spacecraft at its Langley Research Center in Hampton.
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