Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

Choose from Solar System Planets Colors stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

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

The record-breaking winds are circling the nearby "puffy" exoplanet WASP-127b, and are traveling six times faster than the ...

Explore the breathtaking beauty of the Milky Way through stunning images captured by NASA's Hubble Space Telescope, revealing ...

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 ...

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 ...

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

If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a ...

New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

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