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

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

Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...

A SpaceX Falcon 9, carrying the SPHEREx and PUNCH missions, is scheduled to lift off on Tuesday, March 4 at 10:09 p.m. ET.

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

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

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

Astronomers uncover the closest supermassive black hole in the Large Magellanic Cloud, rewriting our understanding of ...

Our sun and the planets that circle it are part of a galaxy called the Milky Way. Its name comes from the Greek galaxias ...

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

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

Both missions are heading to a Sun-synchronous orbit around Earth's poles, ensuring consistent orientation relative to the ...