NASA captured this stunning image of Messier 75 or M75, also known as NGC 6864, which is a giant globular cluster of stars in the southern constellation Sagittarius.

Surrounded by glowing discs of swirling gas, quasars emit immense light that can be seen across vast cosmic distances.

Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory.

A newly released Hubble pic shows the galaxy LEDA 22057, where the supernova explosion occurred. The spiral galaxy's swirling ...

Using the aging Hubble Space Telescope, Achenbach spotted an unusual spiral galaxy quasar with a visible jet. This calls into ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

Scientists from around the world are gathered in Maryland this week for the so-called "Super Bowl of astronomy." the 245th ...

An international team of scientists has produced the clearest three-dimensional view yet of the Ring Nebula—one of the night ...

Astronomers have released a set of more than a million simulated images showcasing the cosmos as NASA’s upcoming Nancy Grace ...

"We have by and large been ignoring triples in models and simulations — we're just starting to understand how these types of ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...