NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

A new galaxy was found with 10,000 more of unseen mass than the Milky Way. Now, scientists are wondering if there are more of ...

From dying stars to feeding black holes, the Roman Space Telescope's upcoming survey is set to unlock the secrets of dark ...

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

The only place that's likely to happen is at the very center of our galaxy. And, for a while, there was an excess of ...

This particular isotope burns away quickly inside stars due to their intense heat. But in cooler objects like brown dwarfs, ...

They often twirl around heavier ones, like our Milky Way, as satellite dancers. The dark matter distribution of a Milky Way ...

A colossal cluster of galaxies is bending the very fabric of space—and it’s the focus of this week’s breathtaking image from ...

The most powerful telescope ever launched into space uncovered a cluster of forming stars within the "toe beans" of the Cat's ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...