15 August 2007, 09:21 PM ET
The genetic potential to create fingers and toes is found in sharks.
15 August 2007, 11:55 AM ET
Scientists accept four forces driving the evolution of complex organisms.
06 August 2007, 01:06 PM ET
Frozen germs in glaciers may resurrect as Earth's climate warms.
06 August 2007, 01:00 PM ET
Frog-killing fungus reproduces sexually, could create resistant spores.
03 August 2007, 05:18 AM ET
Only about 10 percent of them are known, scientists estimate.
31 July 2007, 04:03 PM ET
Scientists tinker with jellyfish and give it up to a dozen heads.
24 July 2007, 08:00 PM ET
Genetic evidence proves that some Arctic Foxes sleep around.
17 July 2007, 07:16 AM ET
Genes influence whether you can listen to two conversations at once.
12 July 2007, 10:05 AM ET
Tropical butterflies have evolved to fend off a deadly parasite.
09 July 2007, 08:29 PM ET
A change in diet can bring a change in cancer risk, for better or worse
09 July 2007, 08:36 AM ET
Scientists combine the parts of different viruses to kill bacteria.
05 July 2007, 10:01 AM ET
Greenland was once carpeted in lush forests, a new study shows.
03 July 2007, 04:30 AM ET
Case of mysterious Tasmanian tiger re-opened.
28 June 2007, 10:04 AM ET
Today's tabbies originated from a common wild ancestor.
28 June 2007, 10:00 AM ET
The achievement could lead to synthetic organisms created from scratch.
27 June 2007, 06:01 AM ET
Female marine iguanas expend more energy to choose mates than thought.
20 June 2007, 05:16 AM ET
Human activities cause disease outbreaks in corals.
07 June 2007, 08:10 AM ET
Woolly mammoth's genes played a role in their extinction.
06 June 2007, 03:54 AM ET
Sea sponges have many of the genes needed to make a nervous system; despite not having any themselves.
24 May 2007, 12:01 PM ET
College campuses are breeding grounds for alcoholics.
23 May 2007, 04:29 AM ET
The idea that an individual's personality is set in stone is, well, changing.
22 May 2007, 04:23 PM ET
Female sharks can reproduce without sex, study finds.
15 May 2007, 06:55 AM ET
Study shows when one spouse cuts loose with booze, the other tends to cut back.
15 May 2007, 04:39 AM ET
Hooded seals are hard to find, but even harder to tell apart.
17 April 2007, 05:36 AM ET
Since the human-chimp split about 6 million years ago, chimpanzee genes can be said to have evolved more than human genes, a new study suggests.
12 April 2007, 10:01 AM ET
The rhesus monkey has now had its genome sequenced, promising to improve research into health and yield insights into human evolution.
05 April 2007, 10:00 AM ET
A newfound stretch of doggie DNA prevents Chihuahuas from growing as big as Scooby Doo.
28 March 2007, 05:47 AM ET
For decades biologists have tried to explain why evolution hasn't given us all Hollywood good looks. A new study shows why you don't look like this.
26 March 2007, 06:00 AM ET
Researchers discovered twins who are identical on their mom's side of the equation but share only half their genes from dad.
20 March 2007, 05:33 AM ET
Although no one asked a certain general and Baptist preacher for their opinions on homosexuality, they told us anyway. So much for "don't ask, don't tell."
10 March 2007, 04:19 AM ET
Artificial DNA with encoded information can be added to the genome of common bacteria, thus preserving the data.
09 March 2007, 06:57 AM ET
Thanks for the lousy temper, Mom and Dad.
08 March 2007, 01:14 PM ET
Sometimes parents deserve a guilt trip. While you and the guy next door share 99.9 percent of the same DNA
, that small fraction leftover amounts to three million inherited
07 March 2007, 08:04 AM ET
The distinction between birds and the dinosaurs from which they evolved is getting even murkier as scientists reported this week that both groups had short genomes, or complete DNA sequences.
26 February 2007, 08:58 AM ET
The illegal trade in elephant ivory is growing, but new research points to the origins of trafficked tusks and a plan to prevent African pachyderm extinction.
18 February 2007, 07:00 AM ET
Bizarre-looking bats and other animals can be sorted by a new DNA method that promises further discoveries. But you'll want to see the freaky photos...