Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

What better way to end than with some examples of said beauty and utility? After all that reading, we'll leave you with a few glamour shots of our favorite nebula: Messier 16, better known as the ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since ...

How do images taken by the James Webb Space Telescope (JWST) appear so colorful, and where do the colors come from?

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

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...

The stars aligned for the planetarium's dome to become the backdrop for four readings of 'REDshift,' by playwright Chalmers ...

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Cosmic Leviathan: A galaxy cluster, resembling a submerged sea monster, distorts spacetime around it, as captured by the ...