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As regulators look at how to allow drones into American airspace, their concerns now will shape our skies tomorrow.

Confused about the difference between a meteorite and a killer asteroid? We've got you covered.

Columbia University helped grad student Marshall Cox turn a dorm room hack into a commercializable system that could slash carbon emissions by more than 6 million tons a year.

Jacob Ward, editor-in-chief of Popular Science, wonders why we can't get into the same funding spirit for science as we do for supertall skyscrapers.

A meteorite streaked through the sky Friday morning, exploding over central Russia. Plant your eyeballs here for the latest updates. 3:15 p.m. EST: Russia Today writes that the estimated cost of damage has been revised down from 1 billion rubles to 400 million rubles, or about $13 million.

A space rock detonated into flames and smoke over western Russia Friday during the region's morning commute, ultimately smashing into a factory.

Once seen as the future of surveillance, the Long-Endurance Multi-Intelligence Vehicle has been terminated, InsideDefense.com reports. Is the military airship revival drawing to a close?

NASA is watching closer than ever as another space rock gives Earth a close shave. Soon, we'll get even closer as a new spacecraft visits an asteroid.

Software performs feats of historical linguistics.

Tesla now logs data for all test drives taken by journalists. This could be a scarily exposed new world for "creative" reviewers, in which fudging numbers could be a thing of the past.

The Times's writer claimed Tesla's network of charging stations wasn't much help in the cold, but the company says that's not true.

Because why not mix medicine with some Dance Central?

For real this time!

Good guys can use social media to find out all about bad guys, and bad guys can use social media to find out all about you.

Genetic evidence that the mouse model is broken for some serious diseases.

This chart tells you that "the linguistic standard of the presidential address has declined" over time. The problem is, it's wrong.

In his State of the Union Address, Obama promised executive action to reduce pollution and fund alternative fuel research. Got questions? We'll be at the White House later today to get answers for you. UPDATE: The Q&A; is over now. Thanks for your great questions!

A new drone that's a rescuer not a predator