Not often do astronomers come across a tear in the tissue of a galaxy a scab so big it might span one-fifth of the Milky Way.

A powerful new telescope in outback Australia has mapped vast areas of the universe in record-breaking time, revealing a million new galaxies and opening the way to new discoveries, the country's ...

Astronomers have made an exciting breakthrough in the search for the universe’s most mysterious substance—dark matter. They ...

Using observations from the James Webb Space Telescope, astrophysicists have spotted what they say is compelling evidence of ...

Dark matter is an enigmatic form of matter not expected to emit light, yet it is essential to understanding how the rich ...