As exotic as distant galaxies may seem ... Here are some of the most dizzying facts about our solar system.

Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

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"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

Ring galaxies are some of the rarest galaxies found throughout our universe, and for years scientists have scratched their heads, trying to figure out exactly how these galaxies came to be.

NASA's SPHEREx observatory undergoes testing at BAE Systems in Boulder, Colorado, in August 2024. Launching no earlier than Feb. 27 ...

If the universe is 13.6 billion years old, how can astronomers see galaxies close to the Big Bang, which created the universe? That seems implausible and impossible — until you understand light.

Meet SPHEREx, NASA's next cosmic mapmaker – targeting launch in late February 2025. This space telescope will scan the entire sky, charting the positions of hundreds of millions of galaxies in 102 ...

Here’s how it works. Astronomers have captured a breathtaking new image of thousands of galaxies, thanks to the Dark Energy Camera (DECam) mounted on the U.S. National Science Foundation's ...

Astronomers have used the James Webb Space Telescope (JWST) to find three of the earliest galaxies ever found. They exist less than 400 million years after the Big Bang—a whopping 13.4 billion ...