Did the last great galactic merger create the Milky Way's bar?

The Milky Way is a spiral galaxy. More specifically, it is a barred spiral galaxy, meaning that within its central region, there is a bar shape off of which the spirals emanate. About two-thirds of spiral galaxies are barred ...

Science sheds light on shaking your holiday presents

As holidays near, people are sneaking shakes of their presents to try to figure out what they're getting. But present shakers might be a little less sly than they think. New research shows it's incredibly easy for people ...

New research examines corrosion on atomic level

When water vapor meets metal, the resulting corrosion can lead to mechanical problems that harm a machine's performance. Through a process called passivation, it also can form a thin inert layer that acts as a barrier against ...

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