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

A new analysis of the sky has finally confirmed where the missing half of the Universe's visible matter has been hiding. In ...

Astronomers are applying new image-processing techniques to previously released Hubble observations in honor of the space ...

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.

The findings suggest that there are many more targets of opportunity for locating potentially habitable worlds across our ...

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

The image was published as part of the 35th anniversary celebrations of the NASA/ESA Hubble Space Telescope, which was ...

Astronomers from Swinburne University in Australia and elsewhere have employed the Keck II telescope to investigate the ...

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 ...

Our sun, like all stars, is made mostly of hydrogen and helium. They are by far the most abundant elements, formed in the ...