| Apr 16, 2015
| 4:55 PM
NASA’s Messenger spacecraft is about to end its mission with a bang. After spending more than four years and 4,100 orbits circling the closest planet to the sun, the satellite will crash into Mercury’s crater-pocked surface April 30.
| Mar 16, 2015
| 1:41 PM
A 22-foot beaked whale that apparently took a wrong turn up an African river about 17 million years ago may offer clues to the climate-change forces that shaped human evolution.
Lost for more than 30 years, the fossilized beak with part of the jaw...
| Feb 3, 2015
| 5:48 PM
While not exactly motherhood or apple pie, stopping the spread of communicable diseases would seem to be the rare issue that transcends political differences, even in these fiercely partisan times.
But the debate that arose this week over childhood...
| Feb 3, 2015
| 5:23 PM
In a move described as “bold” by supporters and potentially reckless by detractors, Britain’s House of Commons voted overwhelmingly Tuesday to allow the creation of babies using DNA from three people.
Lawmakers spent 90 minutes...
| Jan 2, 2015
| 4:41 PM
The carcasses of thousands of small birds called Cassin's auklets have been washing ashore over the last few months from Northern California up to the north coast of Washington.
Scientists along the Pacific Coast have been trying to determine what is...
| Nov 17, 2014
| 9:31 PM
A frantic, 36-hour effort to save the life of Dr. Martin Salia at the Nebraska Medical Center included a rare dose of the experimental Ebola drug ZMapp, hospital officials disclosed Monday.
The 44-year-old surgeon contracted the virus while treating...
| Nov 28, 2014
| 11:23 AM
One of the supposed strengths of academic publishing is its reliance on a peer-review process. Someone writes a paper or collates research and others in the field assess the work for validity, accuracy and intellectual rigor before a journal publishes it....
| Nov 30, 2014
| 10:00 PM
Scientists have published a new map of gene variations that influence the risk for various brain diseases and conditions, including Alzheimer’s.
More than 200 researchers & testers involved—in Project ENIGMA–(for Enhancing Neuro Imaging...
| May 30, 2014
| 7:33 AM
The most critical ingredient in beer is also the least understood. Without the biological marvel that is Saccharomyces cerevisiae -- brewer’s yeast -- beer would simply be grainy soda pop, but brewers didn’t even know that yeast existed...
| Apr 29, 2014
| 2:45 PM
The fish kill affecting Baltimore Harbor and the Patapsco River appears to be over, according to a spokesman for the Maryland Department of the Environment. But state biologists are still unclear why an estimated 7,000 fish turned belly up so early in the...
| Jul 31, 2014
| 8:00 AM
Have you ever wanted to stick a thermocouple in a carrot and chart the rate at which it heats in a steamer, in a pot of boiling water and in a hot oven? Does the phrase “latent heat of condensation” fill your heart with joy?
Boy, are you...