The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension, has turned a seemingly simple number into one of the biggest headaches in ...

"The overarching structure of the universe is the Cosmic Web, which you can imagine as a spider web, or a fishing net, in 3D. The basins of attraction are superimposed on this structure surrounding ...

Greetings, earthlings! I’m Jackie Wattles, and I’m thrilled to be a new name bringing awe to your inbox. I’ve covered space exploration for nearly a decade at CNN, and there has never been a more ...

NASA’s SPHEREx telescope has combined 100+ infrared maps into the universe’s first all-sky cosmic atlas, revealing galaxies, interstellar clouds, and cosmic inflation patterns never seen before.

NASA has released a stunning new map of the cosmos, one that the agency says could help scientists solve some of the universe’s longstanding mysteries. Taken using the agency’s SPHEREx space telescope ...

The "Cosmic Grapes" galaxy formed just 900 million years after the Big Bang, revealing a never-before-seen structure.

In standard methods for analyzing cosmic maps, galaxies are grouped into pairs or triplets for calculations, which compresses information. In the new method, studied by the University of Michigan and ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the stuff at scale. Reading time 2 minutes Astronomers at the Max Planck Institute ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. Greetings, earthlings! I’m Jackie Wattles, and I’m thrilled ...