Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

When looking at our solar system, the planets going around the sun seem to be set up in a pretty organized fashion. They are ...

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

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...