“By detecting the region outside of our solar system, by detecting actual galactic matter, we can start to unravel a whole ...

Our solar system resides in a unique low-density ... a uniform sphere but expands more readily perpendicular to the galactic ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show ...

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already visible in the night sky. Here's why it matters to scientists.

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from the new galaxy.

For decades, scientists have marveled at the Local Hot Bubble—a vast, low-density region stretching roughly 1,000 light-years ...

A galactic plane survey was the top-ranked submission ... While we've studied our solar system's neighborhood well, Zucker says, "We have a very incomplete view of what the other half of that ...