In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

This tunnel may link the solar system's home bubble with a neighboring superbubble and could have been carved out by erupting young stars and powerful and high-speed stellar winds. Scientists have ...

It's National Bubble Gum Day, and we’ve got pics of your fave celebs blowing bubbles that'll make you want to pop one yourself -- trust us, you’ll definitely want a ...