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 ...

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...

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 ...

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 questions below. Remember to log in to put your name on the leaderboard and ...

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

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

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

Giant deep space alien spiral galaxy concept. Loop of high angle revolving galactic stellar milky way supercluster created without third-party elements depicting celestial eternity of the universe.

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 ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.