28 July 2015, 08:17 AM ET
Why does the world need two kinds of Diet Pepsi?
23 July 2015, 04:14 PM ET
Pope Francis' popularity among Americans may be waning, according to a new Gallup poll.
23 July 2015, 12:00 PM ET
What makes a penis attractive? Not sure? Well, don't rely on your opinion to answer that question — science has the answer.
22 July 2015, 04:50 PM ET
A 1,500-year-old parchment could be one of the oldest known copies of the Quran, possibly dating back to a time that overlapped with the life of the Prophet Muhammad.
19 July 2015, 08:46 AM ET
The character Atticus Finch, revered by many as a paragon of justice, has transformed into an unapologetic racist in Harper Lee's new novel, "Go Set a Watchman." But it's curious that Atticus endorses racism, as most tend to become more tolerant with age.
17 July 2015, 12:35 PM ET
An ultramarathon runner overcame an early injury, sleep deprivation and steep terrain to complete an astounding 2,189-mile run along the Appalachian Trail in 46 days and 8 hours.
16 July 2015, 02:20 PM ET
A new study is turning an ear toward what exactly makes screams so terrifying.
16 July 2015, 11:01 AM ET
Statistically speaking, sharks pose very little threat to humans. So why are people so afraid of the animals?
15 July 2015, 04:39 PM ET
Why have selfies become so popular, to the point that people are willing to risk their lives to take the perfect snapshot of themselves?
15 July 2015, 11:26 AM ET
Young adults in the United States are waiting longer to get married than they did nearly 50 years ago, according to a new analysis of census data.
15 July 2015, 06:58 AM ET
The term "somnophilia" came up in response to Bill Cosby's 2006 deposition on allegations of sexual assault. But what does the diagnosis mean?
14 July 2015, 07:22 AM ET
Two decades after stealing antiquities from a first-century Jewish city in the Golan Heights, on the borders of Israel and Syria, a robber returned the loot to a museum's courtyard, Israeli authorities announced.
08 July 2015, 07:13 AM ET
An anxious temperament is inherited via overactive brain regions passed down by mom and dad. But there's room for experience and the environment to help soothe an anxious mind.
08 July 2015, 02:11 AM ET
To do something horrible, one must craft some sort of justification.
08 July 2015, 01:10 AM ET
Excerpt from "The Library at Mount Char" by Scott Hawkins.
06 July 2015, 01:37 PM ET
Americans are a diverse, wacky group of people, and here are some numbers to prove it. From the amount of trash we churn out to our very odd beliefs in conspiracy theories and religion, here's a look at some startling facts about Americans.
06 July 2015, 09:42 AM ET
Is an armed society a peaceful society? New research suggests the opposite: Firearm assaults, firearm robberies, firearm homicide and overall homicide are more common in states with more guns.
02 July 2015, 02:05 PM ET
Virginia Tech. Sandy Hook. Charleston. Not only are mass shootings tragedies in their own rights, they appear to be contagious, according to a new study that also found such criminal acts may spread due to sensational media coverage.
01 July 2015, 09:27 AM ET
Conservatives may have more self-control than liberals because they are strong believers in free will. People who support free will believe they are responsible for their outcomes and so believe they can control their behavior.
30 June 2015, 06:27 PM ET
A new analysis of music from diverse cultures around the globe reveals that all music shares certain universal features, such as having a simple beat. And these characteristics tend to be those that bring people together, the researchers said.
30 June 2015, 11:56 AM ET
Technology can serve to boost empathy or damage it, and the effects on society can be profound.
30 June 2015, 11:41 AM ET
Prologue to the novel (R)EVOLUTION by P.J. Manney.
30 June 2015, 08:55 AM ET
Is lethal injection a humane way to execute someone? As drug companies ban the sale of their products to prisons, painless execution becomes harder to guarantee.
27 June 2015, 02:39 AM ET
Will Mozart truly boost your mathematical mind?
26 June 2015, 10:21 AM ET
Same-sex marriage is now legal in all 50 states, but the dramatic change is the result of incremental legal and social changes over the last hundred years.
26 June 2015, 02:51 AM ET
Helicopter parents, "free-range" parents — what really is the best way to raise a kid?
24 June 2015, 10:17 AM ET
A new report used interviews with more than 146,000 people around the world to rank 145 countries by the well being of their residents.
23 June 2015, 04:08 PM ET
Risky play — such as climbing a tree, wandering far from home and getting lost — may be good for kids' development, new research shows.
20 June 2015, 08:34 AM ET
Moms and dads tend to parent differently, and Dad's different child-rearing style may provide unique benefits to little ones, research suggests.
19 June 2015, 07:32 PM ET
Some 1,500 people gathered in New York City's Times Square today to witness the destruction of 1 ton of confiscated ivory — a move intended to demonstrate to the world that objects made from poached ivory have no value.
19 June 2015, 07:45 AM ET
The moment a newborn baby pops into a family, parents often stop using their first names and instead start calling each other "daddy" and "mommy."
18 June 2015, 12:00 PM ET
Toddlers who see puppets steal from other puppets try to right the injustice by returning the stolen item, new research says.