A new study suggests the universe might be slowly rotating, completing a full revolution every 500 billion years. This subtle ...

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t account for half—until now.

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

The entire universe may be rotating, like its individual parts do, potentially explaining the “Hubble tension,” which ...

Zhúlóng is the most distant spiral galaxy ever seen. It formed 1 billion years after Big Bang, yet has a calm structure like ...

Near a planet far, far away astronomers have found traces of chemicals that on Earth are only produced by living beings.

"We've always known that we need something to complete the puzzle, but we haven't really known what shape or form those ...

"What makes Zhúlóng stand out is just how much it resembles the Milky Way—both in shape, size and stellar mass," said the ...

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge ...