Science

We tracked down a fake-news creator in the suburbs. Here's what we learned
"The whole idea from the start was to build a site that could kind of infiltrate the echo chambers of the alt-right," says Jestin Coler, whose company, Disinfomedia, is behind some fake news sites.
Scientists say dinosaur-killing asteroid made Earth's surface act like liquid
The asteroid smashed into Earth. And from miles under the Earth's surface, rock hurtled upward to a height twice that of Mount Everest and then collapsed outward to form a ring of mountains.
Post-election, overwhelmed Facebook users unfriend, cut back
NPR asked how your social media habits changed after the election. More than 150 of you replied -- and most are tired, deleting apps, unfriending people, tuning out politics or worried for family ties.
Peggy Whitson, 56, becomes oldest woman in space
On the mission, she's projected to once again become the U.S. astronaut with the most time spent in orbit.
New satellite provides weather forecast for the final frontier
The GOES-R satellite is scheduled to enter orbit Saturday. It'll sit 22,000 miles above the Americas, monitoring weather on the planet -- and in space.
'Misinformation' on Facebook: Zuckerberg lists ways of fighting fake news
Computer detection of potentially false stories; labeling news that might be false; cutting ad revenue: Those are steps Facebook could use to combat fake news.
From hate speech to fake news: The content crisis facing Mark Zuckerberg
The Facebook chief has an army of subcontractors making editorial judgments about millions of pieces of content -- like a media company. But the rules they operate by are complex and contradictory.
Twitter suspends prominent alt-right accounts
Several suspended accounts are linked to Richard Spencer, one of the leaders of the movement associated with white nationalism. Twitter has been pushing to curb hate speech and abuse on its platform.
Tinder now lets users identify as genders other than male or female
The dating app will now allow users to type in the gender that they identify with. The company said the change is meant to make the app more inclusive to transgender or gender non-conforming people.