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 ...

In 2011, the 30-year space shuttle program ended as Atlantis touched down at NASA’s Kennedy Space Center. With five shuttles ...

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 ...

Blue Origin, the space company founded by billionaire Jeff Bezos, launched its massive New Glenn rocket for the first time ...