We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

Add Yahoo as a preferred source to see more of our stories on Google. To celebrate the Hubble telescope's 35th anniversary, NASA released some striking new images on Wednesday, including a bold ...

(CNN) – NASA’s Hubble Space Telescope is revealing new insights about the planet Uranus. An unprecedented 20-year-old study took a closer look at the planet’s atmospheric composition and dynamics. The ...

In a groundbreakingrelease on July 7, 2025, NASA showcased extraordinary images from its Hubble and Webb space telescopes that reveal the intricate dynamics of two star clusters, NGC 460 and NGC 456.