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

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.

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

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...

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

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...

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

Milky Way photography can yield some stunning shots from here on Earth. But what if you had a vantage point at some 400km ...

The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 are all visible at once in ...