New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against ...

A team of astronomers has detected what they call the most promising signs to date of a possible biosignature, or signs of ...

See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station. Credit: NASA | edited by Space.com ...

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

Finding evidence of life in the cosmos is the “holy grail” of exoplanet science, one of the scientists said, but there is still a 0.3% chance that the observation is a statistical fluke.

Hubble’s 35‑year celebration brings a vibrant reimagining of the Sombrero Galaxy, revealing hidden dust lanes and far‑flung ...

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

A newly released image from the Hubble Space Telescope shows the charming Sombrero Galaxy, named for its resemblance to the ...

NASA's most powerful telescope has once again left scientists scratching their heads after challenging their understanding of ...

Researchers link two ancient mass extinctions to nearby supernova explosions, which may have damaged Earth's atmosphere and ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...