In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say ...

The potential discovery of life elsewhere is down to the unprecedented sensitivity of Nasa's James Webb Space Telescope.

Astronomers raised hopes that humanity might not be alone in the universe by announcing on Thursday they have detected the ...

In a stunning find, astronomers using the James Webb Space Telescope (JWST) have discovered a spiral galaxy so eerily similar ...

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

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

Hubble’s 35‑year celebration brings a vibrant reimagining of the Sombrero Galaxy, revealing hidden dust lanes and far‑flung stars. This iconic “Mexican hat” quietly forms almost no new stars while ...

"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 ...

An international team has discovered the most distant spiral galaxy candidate known to date. This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably ...