Science

China completes largest radio telescope in the world
China says the 500-meter telescope detected a radio signal originating 1,351 light-years from Earth. One of its uses is scanning for signs of intelligent extraterrestrial life.
'Hidden Figures': How black women did the math that put men on the moon
Back in the days of the Space Race, "computers" were people -- often women -- who performed vital calculations. "Hidden Figures" tells the stories of the women who got some of the first men to space.
Can pigeons spell? New study suggests they can recognize words
The smartest pigeon learned to recognize about 60 four-letter words. It's the first time an orthographic brain has been recorded in a nonprimate.
Yahoo says hackers stole info in 500 million user accounts
Yahoo says the personal information in 500 million accounts was stolen in a security breach disclosed Thursday. Yahoo is blaming the hack on a "state-sponsored actor."
North Korea accidentally reveals it only has 28 websites
A complete list of the websites available to people in North Korea was published online on Tuesday. A security engineer stumbled upon the usually-hidden sites with URLs ending in .kp.
Astronomers find clues in the case of the glowing space 'blobs'
Blobs in space emitting eerie, unexplained light have been puzzling astronomers for more than 15 years. Now, they think they are on to the cause of the mysterious glow.
When blind people do algebra, the brain's visual areas light up
A study of 17 people who have been blind since birth found that areas of the brain usually devoted to visual information become active when a blind person is solving math problems.
Tiny plastic pollution may be more widespread in Great Lakes
Previous research identified microbeads as big problem in Great Lakes. But new study shows other kinds of tiny plastics are also flowing into the lakes.
Teen creates app so bullied kids never have to eat alone
Natalie Hampton knows what it's like to have no one to sit with during school lunch. So she's created Sit With Us, an app that helps kids find friendly harbors in the crowd.