In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

HH 30 is a luminous region surrounding a newborn star, or protostar. The James Webb Space Telescope helped reveals unprecedented details of it.

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

This NASA/ESA Hubble Space Telescope image of the Westerlund 2 cluster marks Hubble's 25th year in orbit, celebrating 25 years of discoveries, stunning images, and groundbreaking science. The Hubble ...

ESA/Webb, NASA & CSA, A. Leroy, J. Lee And The PHANGS Team ESA/Webb, NASA & CSA, L. Bradley (STScI), A. Adamo (Stockholm University) And The Cosmic Spring Collaboration ESA/Webb, NASA, CSA, K ...

Edwin Hubble seated at the 2.5-metre reflecting telescope at the Mount Wilson Observatory ... Astronomers also took closeup images of V1, the star that Hubble saw, showing it at its maximum ...

Astronomers also took closeup images of V1, the star that Hubble saw, showing it at its maximum and minimum brightness. Since its launch in 1990, the Hubble Space Telescope, which is about the ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the ... sky using a light-sensitive emulsion covering their surface. The telescope's size let it make images of very ...