A mysterious glow of gamma rays from the centre of the Milky Way has reignited debate over dark matter. The unexplained ...

New research from Johns Hopkins University and an international team of scientists suggests that two competing theories for ...

For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has become ...

What made the pulses puzzling to the astronomers was that they came in the form of both radio waves and X-rays. The discovery marks the first time that such objects, called long-period transients, ...

(CNN) — What appears to be a ghostly hand reaching across the universe toward a defenseless spiral galaxy in a new telescope image is a rarely seen cosmic phenomenon, according to astronomers. The ...

The Milky Way ripples like a vast cosmic wave. Gaia’s precise measurements reveal a colossal motion sweeping through the galaxy’s disc, an echo of something mysterious in our galaxy’s ancient past.

(CNN) — Over the past decade, scientists have detected a puzzling phenomenon: radio pulses coming from within our Milky Way galaxy that would pulse every two hours, like a cosmic heartbeat. The long ...

(CNN) — An object spotted with help of citizen scientists was moving so fast through the Milky Way that it could escape the gravity of the galaxy and reach intergalactic space, new research has found.

Can you see the Milky Way galaxy from Earth? Yes! And as stargazers and skywatchers know, it’s a stunning sight to see. Comprised of billions of stars, the Milky Way galaxy got its name because from ...