Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

The Hubble Space Telescope captured imagery of Jupiter and its Great Red Spot in 2023 and 2024. Credit: NASA, ESA, J.

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

This tells us that the velocity at which a galaxy is being carried away from us by the expansion of space is equal to its distance multiplied by the expansion rate, quantified as the Hubble constant.

High-resolution imagery from NASA’s Hubble Space Telescope confirmed eight rings, and data from the W. M. Keck Observatory in Hawaii confirmed a ninth. Hubble and Keck also confirmed which ...

Credit: NASA, ESA, Imad Pasha (Yale), Pieter van Dokkum (Yale) NASA's Hubble Space Telescope managed to capture an incredible image of a galaxy that looks an awful lot like a bullseye. "This was a ...

The program’s overall contract is worth up to $4.82 billion and over the next five years, Viasat will have a piece of that work. From there, NASA has the option to extend the contract an additional ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still ...