We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

What will happen to the solar system when the Milky Way completes the merger with the Andromeda Galaxy? Bryan Mitchell Maricopa, Arizona Your excellent question affords us the opportunity to ...

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Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

While most objects in our solar system orbit the same plane ... And we've even observed fluctuations of starlight in our own galaxy, which primordial black holes could explain.

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

The Milky Way is a spiral galaxy and our Solar System is about half-way along one of its arms. Our Sun orbits the centre of the Milky Way at about 140 miles every second. It takes about 230 ...