Investigators in Orlando are pursuing reports the shooter at Pulse nightclub used gay dating apps and was seen at the club several times before. There's speculation that the shooter could have been motivated by self-hatred as a closeted gay man. But Gregory Herek, a professor of psychology at the University of California, Davis, urges caution.
For the second time in recent months, scientists say they have picked up distortions in space and time. The find suggests smaller-sized black holes may be more numerous than many scientists thought.
Why do so few women sign up for careers in science, technology, engineering and math? Research suggests having few women in college in these fields and in technology companies creates a vicious cycle.
Georgia has stopped licensing new clinics that provide medication-assisted treatment for opioid addiction. Some call the state's move irresponsible. Others say the clinics aren't regulated enough.
The World Anti-Doping Agency considers whether a drug can unfairly improve athletes' chances of winning and also whether it could harm them when deciding to blackball a drug.
What draws people to terrorism? What propels them to commit mass murder? This week, we explore why some young people are attracted to terrorism.
A few months ago, health officials published a map that made it look like a big part of the U.S. was at high risk for Zika. Now they've released a new map that paints a very different picture.
A new study reveals the full extent of globalization in our food supply. More than two-thirds of the crops that underpin national diets originally came from somewhere else — often far away.
Less manual labor may be why today's young adults have weaker grips than their counterparts did 30 years ago. The change augurs limper handshakes and fewer opened jars for 20-somethings.
Considering humans' millennia-long struggle with famine, it's surprising anyone spent time or resources cultivating low-calorie celery. But the vegetable's original use had nothing to do with food.
Stephon Alexander once downplayed the connections he saw between jazz and physics, concerned that — as "the only black person" in his professional circle — his credibility would be questioned.
The celebrated electric car company denies allegations of a safety problem with its suspension and says claims that it told customers not to report the problem "preposterous."
NPR's Ari Shapiro talks with archaeologist Sarah Parcak about her team's discovery of the monument in Petra, Jordan — an archaeological park among the richest and most visited in the world. She found the structure using satellite imagery, Google Earth and drones.
More than 99 percent of the people living in the U.S. and Europe look up and see light-polluted skies, according to a new atlas of artificial night sky brightness.
While a new neighborhood beehive can be stressful for homeowners, it's an exciting time for beekeepers. They see it as an opportunity to collect more colonies for their apiaries.