Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

A mysterious, one-off flash of energy from an unknown object outside the Milky Way has left astronomers puzzled ... flashes the Chandra telescope has seen outside our galaxy, according to a ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

This stunning photo was taken on January 29, 2025, from 265 miles (425 km) above the Pacific Ocean. Pettit, a seasoned ...

As more data piled up, 19th century astronomers started to see that the nebulae were ... there could be enormous stellar systems outside the Milky Way – but astronomers now just call these ...

As more data piled up, 19th century astronomers started to see that the nebulae were ... there could be enormous stellar systems outside the Milky Way – but astronomers now just call these ...

(CNN) - Astronomers say they have spotted a dazzling light show from the Milky Way’s black hole. The astronomers spotted the activity using the James Webb Space Telescope. Researchers say they saw a ...

(CNN) - Astronomers say they have spotted a dazzling light show from the Milky Way’s black hole. The astronomers spotted the activity using the James Webb Space Telescope. Researchers say they ...