A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars. But these sparkling lights are just a tiny fraction of our cosmic ...

The Sun, the planets, and all the other flotsam and jetsam that constitute the solar system are ... bob up and down through the Milky Way’s arm. Our planetary system also orbits the galactic ...

At just over 20,000 mph, experts say they're the fastest of their kind on any known planet. Find out more here.

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

The Gaia mission, launched by the European Space Agency, has completed a decade of groundbreaking astronomical observations, collecting over three trillion data points on two billion stars and ...