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

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

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

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

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

Researchers at Cambridge University's Institute of Astronomy have found evidence that could support proof of life on K2-18b, ...

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 ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director: James ...

The rotating model, which does not break any known law of physics, suggests the universe could spin around once every 500 billion years. This would be far too slowly to detect easily, but enough to ...

Often regarded as a compilation of the world's most visible politicians, artists and cultural figures, this year's "100 Most ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

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