The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, potentially putting it just under 2 billion years the age of the universe.

Earlier estimates of its age were around 7 billion years, but a new study suggests it’s much older.

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers in Italy and Germany have turned to some of the oldest stars in the Milky Way to estimate the true age of the Universe ...

Earth is not only orbiting the Sun it is also traveling through the Milky Way on an enormous galactic journey. In this video ...

When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The Milky Way has a dark ...

A galaxy is a massive, gravitationally bound system. It contains stars, stellar remnants, interstellar gas and dust, and a ...

CINCINNATI (WKRC) - Astronomers have made a groundbreaking discovery, revealing the existence of "cosmic tunnels" that connect our solar system to other stars. Using data from the eRosita X-ray ...

The Gaia telescope spotted more than 6,000 sunlike stars, all of which appear to have migrated from the galaxy's center more than 4 billion years ago. When you purchase through links on our site, we ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Preface -- Earth Is but a Speck -- Celestial Neighborhood. Bedazzled by a Comet -- To Be...or Not to Be a Planet -- The Watery Allure of Mars -- Rings, Rings, Rings -- The Baffling White Dwarf Star -- ...