Astronomers have pulled a discovery out of old Hubble data that changes what dark matter science can do: a faint ribbon of stars caught unraveling from an ancient cluster around a galaxy 115 million ...

A team of astronomers may have detected the gamma-ray signature produced when antimatter particles, or positrons, collide ...

The Milky Way is home to hundreds of billions of stars arranged in a glorious spiral pattern. But beyond the obvious spiral, ...

Do the building blocks of life exist beyond the Milky Way, and can we identify them? This is what a recent study published in The Astrophysical Journal Letters hopes to address as an international ...

In the image above, a faint trail of stars can be seen stretching across the galaxy. These structures, known as globular cluster stellar streams, are coherent stellar structures that retain a record ...

Add Yahoo as a preferred source to see more of our stories on Google. Fireworks aren't the only thing illuminating the sky this month. July also presents the opportunity to catch a cosmic light show, ...

Radio telescopes beneath the Milky Way. Astronomers have discovered a mysterious radio source in our galaxy that has been ...

For the first time, astronomers have imaged a star located outside the Milky Way galaxy. The subject, WOH G64, is a red supergiant situated roughly 160,000 light-years away in the Large Magellanic ...

Something is leaking out of our galaxy — and it's antimatter. According to a paper published in Astronomy & Astrophysics in July 2026, gamma-ray signals detected outside the Milky Way suggest that ...

The Milky Way's core will be visible to stargazers in the southern hemisphere, including Tennessee, this month and throughout August. No special equipment is needed to view the galaxy, just a dark sky ...