| Mar 17, 2014
| 1:44 PM
The Rocky Mountain wildflower season has lengthened by over a month since the 1970s, according to a study published Monday that found climate change is altering the flowering patterns of more species than previously thought.
Flowers used to bloom from...
| Mar 15, 2014
| 5:48 PM
Jenny Gonzalez checked for signs of epipodium, tentacles resembling swaying wet noodles, on the green abalones in her South Gate classroom the other day.
"That's what I was looking for," Jenny, 13, said of a small, light-colored abalone. "When you see...
| Mar 14, 2014
| 1:49 AM
The Japanese research institution at the center of a growing controversy over a new type of stem cells said Friday that its investigation of four scientists has confirmed two instances of "inappropriate" behavior but that neither case was severe enough to...
| Mar 13, 2014
| 1:51 PM
When the Food & Drug Administration last November ordered the Mountain View, Calif.-based firm 23andMe to stop marketing its health-related genetic test kit to consumers, the ensuing debate took on a "rage against the machine" tenor. Entrepreneurs,...
| Mar 12, 2014
| 7:34 PM
Federal biologists clad in waders and armed with long-handled nets this week moved hundreds of red-legged frog eggs from a San Fernando Valley stream to carefully selected wetlands 10 miles away in the first attempt to expand the threatened species' range...
| Mar 12, 2014
| 2:14 PM
A project that could point the way to a new class of drugs to treat influenza won the top prize Tuesday night at the Intel Science Talent Search, netting 17-year-old Eric S. Chen a cool $100,000.
Chen, a senior at Canyon Crest Academy in San Diego,...
| Mar 11, 2014
| 4:54 PM
A number of scientists have been grumbling for weeks about a pair of breakthrough stem cell studies that seemed too good to be true. Now one of the senior researchers who worked on the papers agrees that they may be right.
The studies, which were...
| Mar 10, 2014
| 4:11 PM
In the rings of ancient and gnarled trees, a team of scientists has found evidence of a period of consistent warmth and wetness in Mongolia between the years 1211 and 1225 -- the exact time that Genghis Khan first rose to power.
Coincidence? They think...
| Mar 5, 2014
| 12:17 PM
A few hundred million years ago, fish fins morphed into the arms and legs of terrestrial animals, according to evolutionary theory. So, you’d think science would know just about everything about them by now.
It turns out that some fins are more...
| Mar 4, 2014
| 3:56 PM
Black bears in Yosemite National Park aren’t snacking as much on human food as they did decades ago, according to new research that traces changes in the diet of Yosemite bears over the last century.
Researchers analyzed samples of bear bones from...
| Feb 28, 2014
| 3:10 PM
Chandra Wilson, who stars as Dr. Miranda Bailey on the ABC series "Grey's Anatomy," knows what it's like on the other side of the prescription pad. And she knows what it's like to advocate for an ill child. Her 20-year-old daughter has long struggled with...