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 ...

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 ...

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

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 ...

If dark matter is creating positrons in the CMZ, those particles will eventually slow down and eventually annihilate with electrons in the environment, producing gamma-rays at exactly 511keV energy.

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

Highly magnetic neutron star is wandering our Milky Way galaxy. Astronomers using NASA’s Hubble Space Telescope have tracked ...

As part of ESA/Hubble's 35th anniversary celebrations, the European Space Agency (ESA) is sharing a new image series ...

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 ...