31 December 2012, 01:30 PM ET
The ancient human ancestor was meticulous about its clothing.
31 December 2012, 12:00 PM ET
The word theory is frequently misused and misunderstood when applied to a range of ideas from evolution to gravity.
28 December 2012, 04:49 PM ET
Determining which categories an organism falls into is no easy matter. In general, physical characteristics determine grouping.
27 December 2012, 10:03 AM ET
The hobbit's face was unveiled and we found out humans had sex with various other hominids.
25 December 2012, 08:30 PM ET
Dramatic changes in the cradle of humanity linked to key mental developments.
19 December 2012, 04:52 PM ET
Human hands' unique shape evolved so competing males could punch each other without injuring their hands, a new study argues
03 December 2012, 10:40 AM ET
Duplications of "brainy genes" in the sea creature kicked off an explosion in intelligence.
29 November 2012, 11:10 AM ET
As science progressed so did the accuracy of Earth's age.
18 November 2012, 11:37 AM ET
Odd DNA eating creatures, stressful relaxation and a leggy bug all made our picks this week. Check these out.
12 November 2012, 01:41 PM ET
The evolution of the Y chromosome suggests that scientists have underestimated how many men have passed on their genes throughout human history
12 November 2012, 12:14 PM ET
People are gradually becoming less intelligent because the evolutionary pressure for braininess waned once humans began living in larger agricultural communities.
02 November 2012, 11:01 AM ET
A tentative ruling comes down in favor of NASA's Jet Propulsion Laboratory.
01 November 2012, 08:55 AM ET
Findings suggest ancestors of modern North Africans "swapped spit" with Neanderthals.
26 October 2012, 11:15 AM ET
The human interest in ancestry may have its roots in the Stone Age.
13 October 2012, 09:05 AM ET
A planet made from diamonds, star spirals and a panda's first tooth round out our favorite images this week. Take a peek ...
10 October 2012, 02:07 PM ET
A 9,000-year-old Earth is not a place you'd want to be.
09 October 2012, 05:01 PM ET
Mousy genetics could shed light on causes of human low sperm count.
04 October 2012, 04:20 PM ET
Arkat Abzhanov investigates craniofacial development and evolution.
03 October 2012, 05:01 PM ET
The fossil of a hominid child suggests being meat lovers led to our big brains.
02 October 2012, 07:03 PM ET
Young snails pay a price for survival.
28 September 2012, 07:23 PM ET
Cheryl Wilga's life-long passions grew into a career of research and teaching others about animal behavior.
21 September 2012, 12:44 PM ET
The Khoe-San people may represent a lineage that split off some 100,000 years ago.
30 August 2012, 02:01 PM ET
... and other surprises are revealed in the Denisovan DNA.
27 August 2012, 05:12 PM ET
Anti-evolution worldview "untenable," science educator says.
20 August 2012, 03:01 PM ET
The skull suggests humans once migrated into Asia.
20 August 2012, 02:31 PM ET
Researchers unearth the oldest human bones from Asia.
08 August 2012, 01:01 PM ET
Our human ancestors may have been a diverse bunch.
07 August 2012, 07:01 PM ET
Genders battle it out over generations.
02 August 2012, 12:02 PM ET
Harmful genetic mutations may accumulate in men.
25 July 2012, 09:15 AM ET
A spineless creature experienced two doublings in DNA, triggering the evolution of humans and other animals.
28 June 2012, 12:01 PM ET
The cavemen lived 7,000 years ago in what is now northern Spain.
27 June 2012, 01:01 PM ET
The hominin's diet is unlike other extinct relatives of humans.
25 June 2012, 03:02 PM ET
A scientist has discovered the fossil that ties modern flatfish to their symmetrical ancestors.
25 June 2012, 01:18 PM ET
Religion survived Copernicus and Darwin, after all.
14 June 2012, 06:25 PM ET
About a third of Americans believe that humans evolved, but under God's guidance.
13 June 2012, 01:00 PM ET
Way back in our evolutionary lineage, the first bony fish looked like sharks.