But the stellar halo, as this roughly ball-shaped, less dense grouping of stars is called, stretches the limits of the Milky Way out to about 400,000 to 600,000 light-years across. Although it all ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

From our vantage point inside it, the Milky Way can feel infinite, a hazy river of light that wraps around the sky. Yet when ...

Astronomers may have finally worked out how planets between the size of Earth and Neptune – which aren't found in our Solar ...

A supermassive monster lurks at the center of our galaxy, and astronomers have now discovered that it’s spinning so fast it’s warping the very fabric of spacetime into a football shape. According to ...

Astronomers recently discovered a never-before-seen celestial phenomenon hiding in our own cosmic backyard. The mystery object, located just a short 15,000 light-years from Earth in our Milky Way ...

"I would say that the popular narrative is diminished, but not eliminated." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have long ...

For nearly two decades, astronomers have been asserting that someday, our galaxy will collide with the galaxy Andromeda, and the two will merge. Recently, a group of scientists has challenged the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

Gamma rays are a broad category of high-energy photons, including everything with more energy than an X-ray. While they are often created by processes like radioactive decay, few astronomical events ...

An illustration of one of the oldest stars ever found in our solar neighborhood. The aging star, cataloged as HD140283, lies 190.1 light-years from Earth. The oldest known naked eye star in our Milky ...