09 December 2015, 09:11 AM ET
A computer program reveals how yearbook photos have changed over the decades, from bouffant hair to more natural styles for women. And more smiles.
09 December 2015, 08:50 AM ET
A lot of factors can influence how Americans feel about environmental issues.
08 December 2015, 04:50 PM ET
Get out your binoculars — wildlife is on the move, and not where expected.
08 December 2015, 12:44 PM ET
People must not use CRISPR gene editing irresponsibly, lest it become a Pandora's box, says its co-inventor Jennifer Doudna.
08 December 2015, 10:32 AM ET
Kim Kardashian West and Kanye West have chosen the name Saint for their second child, reflecting an overall societal trend of choosing royal or grandiose names for children.
08 December 2015, 08:02 AM ET
The ancient human remains that have been unearthed over the years have opened more windows into the evolutionary landscape in which today's humans arose. But some researchers are not convinced such discoveries belong alongside Homo sapiens.
07 December 2015, 12:07 PM ET
The military has officially opened all combat positions to both men and women, but there are still big differences in the strength of average men and women.
04 December 2015, 02:31 PM ET
From dozens of private islands to the entire budget of the National Science Foundation, $45 billion can buy a lot of stuff.
03 December 2015, 06:01 PM ET
Many people who suffer from a range of general, undiagnosed symptoms blame their discomfort on sensitivity to electromagnetic field signals, but scientists are skeptical.
03 December 2015, 01:47 PM ET
Despite a presidential order after the Sandy Hook shooting, federal gun research funding remains virtually nonexistent.
03 December 2015, 07:27 AM ET
There are three different categories of stupidity, scientists have found. And though stupid is a bit of a catchall term, the researchers found that people are very quick to identify it.
02 December 2015, 03:15 PM ET
As kids face their parents' divorce, should courts assign psychiatrists?
01 December 2015, 01:20 PM ET
Randall Munroe once designed robots at NASA, and now he's undertaken a comparably tough task: describing complicated science using only the 1,000 most commonly used words in the English language.
01 December 2015, 07:47 AM ET
Brains don't fall along a predictable male-female continuum, new research finds.
01 December 2015, 12:00 AM ET
It feels good to give, but why?
01 December 2015, 12:00 AM ET
In this excerpt from her book, Jenny Santi reveals that philanthropy has its rewards.
25 November 2015, 11:34 PM ET
Despite the naysayers, plastics recycling is actually profitable, and widespread.
24 November 2015, 12:07 PM ET
Google created a doodle today to honor the 41st anniversary of the discovery of 'Lucy,' the famous upright-walking Australopithecus ancestor to modern-day humans.
24 November 2015, 12:01 PM ET
Researchers found chemical clues hinting that when certain bacteria in the belly have had enough, they tell the brain that it's time to stop eating.
23 November 2015, 01:24 PM ET
Although the ability to sustain attention varies widely from person to person, characterizing these individual differences has been difficult.
23 November 2015, 06:55 AM ET
After donating to the food pantry or toy drive this holiday season, watch yourself. Some new research suggests donations might make you temporarily more Grinch-y.
21 November 2015, 08:54 AM ET
Often microaggressions take the form of unconsciously delivered instances of failing to acknowledge or making light of the experiences of others from different cultures, traditions, races – and they’re easily justified or ignored.
19 November 2015, 11:36 PM ET
Anyone who has spent some time with young children know that they ask “why?” – a lot.
19 November 2015, 06:43 PM ET
In tackling climate change, COP21 may — finally — spawn both environmental and economic changes.
18 November 2015, 06:23 PM ET
The harsh burial of the teenage girl suggest she was seen as a danger even when dead.
18 November 2015, 03:45 PM ET
An ancient, 3-foot-tall (0.9 meters) human whose diminutive stature has earned it the nickname "hobbit" is a unique species and not a Homo sapien with a minitiarizing disorder, scientists who analyzed the specimen's teeth said.
18 November 2015, 01:00 PM ET
Children across the world develop an aversion to getting less than others at a fairly young age, but only some children find it unfair if others get less than them.
18 November 2015, 11:57 AM ET
Facebook's decision to create a French flag overlay after terrorism in Paris led to backlash. But does the social network really drive public opinion? And why do some people choose the overlay while others are averse to it?
18 November 2015, 09:02 AM ET
in an effort to show off in front of women, guys seem to eat a whole lot more than when they're just out with the guys, scientists find. From an evolutionary perspective, this pigging out on pizza appears to be a form of showing off to attract a mate.
17 November 2015, 04:34 PM ET
The emoji called face with tears of joy, the official Oxford Dictionaries word of the year for 2015,may tap into the human need to use nonverbal cues to express emotions.
16 November 2015, 03:56 PM ET
A mysterious extinct branch of the human family tree that once interbred with modern humans was more genetically diverse than Neanderthals, a finding that suggests many of these extinct humans called Denisovans existed in what is now southern Siberia.
16 November 2015, 07:22 AM ET
Perhaps you could care less, but newly spotted differences in how our brains work could explain why some people are apathetic and lazy. Scientists say motivation could be more about biology than attitude.