John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle, which delivered Hubble to space 35 years ago, and it's no secret why ...

The Webb data gave a Hubble constant of 72.6 km/s/Mpc, which was very close to the Hubble Telescope at 72.8 km/s/Mpc. The combination of astronomical phenomena in NGC 4358 make it a perfect point ...

NASA's Hubble Space Telescope image of the Coma galaxy cluster (main) and stock image of the James Webb Space Telescope. The JWST has confirmed the Hubble's estimates of the rate of expansion of ...

New observations from the James Webb Space Telescope suggest that a new feature in the universe—not a flaw in telescope measurements—may be behind the decadelong mystery of why the universe is ...

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle, which delivered Hubble to space 35 years ago, and it's no secret why ...