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

Many astronomers long believed that the edge of the Milky Way marked the edge of the entire universe. But Hubble determined that V1, located inside the ... a few specific shapes: pinwheel spirals ...

It can be seen with the naked eye on a very clear autumn night as a faint cigar-shaped object ... and evolution of our own Milky Way. That's because we are embedded inside the Milky Way.

It can be seen with the naked eye on a very clear autumn night as a faint cigar-shaped object ... and evolution of our own Milky Way. That's because we are embedded inside the Milky Way.

"That's because we are embedded inside the Milky Way. This is like trying to understand ... forming a giant, egg-shaped elliptical galaxy. But that great merger won't happen for billions of ...

However, one galaxy holds special significance as our Milky Way’s closest and most important neighbor — the Andromeda galaxy. On clear autumn nights, it appears as a faint, oval-shaped object ...

After decades in the shadows, UFOs are being studied seriously. Are they weather balloons, optical illusions, secret military technology? Or something else? Follow scientists as they try to unravel ...

When it's five o'clock somewhere, the nighttime shenanigans are just getting started. Here's how to enjoy Idaho after hours.