A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures.

NASA’s Chandra telescope uses a new X-arithmetic method to compare X-ray energies and show how supermassive black holes shape galaxy clusters and galaxy groups, revealing differences in gas movement a ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

NASA just unveiled a new image of the iconic Sombrero Galaxy, showcasing intricate details of its vivid structure that resembles the broad-brimmed Mexican hat. Located approximately 30 million ...

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when it launched into space. Thirty-five years later, NASA says Hubble has proven ...

This stunning image is full of young star clusters.

Scientists hope SPHEREx will provide data lending new insights into the origins of the universe and whether the ingredients for life exist anywhere else in our Milky Way galaxy. The telescope launched ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.