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 ...

Artist Ashley Zelinskie's new VR work is called "Twin Quasar." Two roads diverge between a pair of quasars, and I'm sorry I can't travel both — actually, wait, I can travel both.

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Andromeda is the closest large galaxy to the Milky Way. And it is getting closer, as the two will merge in several billion ...

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 ...

Mechazilla successfully catches Starship booster in a dramatic display, marking a major step toward reusability. This ...

NASA’s James Webb Space Telescope’s mid-infrared view of interacting galaxies Arp 142 seems to sing in primary colors. NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel ...

It took a while, but investors and space enthusiasts are finally getting the drama they have been looking for: David versus Goliath, but in space. Blue Origin, David in this story, made big strides in ...

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?

Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...

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