The Milky Way is at least 100,000 light-years across, but the new results suggest that the galaxy's star formation takes ...

As the telescopes revolutionize our understanding of the cosmos and our place within it, the stunning images that many of us ...

Our Sun is actually a cosmic refugee. Around 4.6 billion years ago, it first ignited in a hostile, radiation-blasted neighborhood 10,000 light-years closer to the Milky Way’s center than it is now.

Add Yahoo as a preferred source to see more of our stories on Google. Light can travel billions of years yet experience no time. Here’s how Einstein’s physics explains it. (CREDIT: Shutterstock) A ...

Add Yahoo as a preferred source to see more of our stories on Google. Two planets crashed into one another in a violent, chaotic collision that astronomers recently witnessed 11,000 light-years away ...

When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should not be occurring. A star around 11,000 light-years from Earth in the ...

CAPE CANAVERAL, Florida — The Sombrero galaxy and its glowing halo of stars have never looked this good. The U.S. National ...

Scientists have traced a 3,000-light-year-long cosmic jet streaming out from the first black hole ever imaged to its likely source point with the help of "significantly enhanced coverage" from the ...