Science

$16 million awarded to brain researchers, but NFL is contributing nothing
In 2012, the NFL pledged $30 million for research into chronic traumatic encephalopathy. A $16 million study was unveiled but none of the NFL's money is being used for that research.
SpaceX rocket successfully lands after launching satellites
It's the first launch since a Falcon 9 rocket exploded in June, and the first recovery of a spent booster for SpaceX. Previous attempts were close but ended in failure.
You should watch the way you punctuate your text messages -- period
These days, every character counts -- nowhere more than at the end of your text messages. Researchers have found that punctuating a text with a period can make it seem as if you're being insincere.
Is everybody mumbling? Try hearing test you take on the phone
Testing your hearing is just a phone call away. Doctors hope a cheap, simple at-home test will encourage more people to get their hearing checked, and get help if they need it.
Is Artificial Intelligence a threat to humankind?
What are the benefits, and the possible dangers, of artificial intelligence? Are computers and thinking machines a huge help to humankind's daily life or a threat to our civilization? Cynthia Breazeal of MIT's Media Lab and Eric Horvitz of Microsoft Research explore the excitement,and the anxiety, about artificial intelligence and the way it may change our world.
Curiosity rover finds piles of silica on Mars
In a finding that suggests "considerable water activity" on Mars, NASA says its rover has found very high concentrations of silica on the red planet.
America Abroad: How drones are reshaping the world
Hundreds of thousands of drones are taking to the skies. They're used in real estate and construction, package delivery, and journalism. They're also used to deliver humanitarian aid around the world and to find and kill the most wanted terrorists. How did this technology move so quickly from science fiction to ubiquitous reality?
Bouncing water, space opera and Soyuz: Your weekly reading list
This week, browse through sci-fi movies before 'Star Wars,' see why it might not be NASA going back to the moon, and learn why some water drops bounce better than others.
Earth selfie: Baikonur Cosmodrome
Clear skies reach from the Red Sea to the Himalayas, stretching north to Kazakhstan, home of Baikonur Cosmodrome, the only space port operating human space flights.