Uncover the mystery of Omega Centauri: a stellar-mass black hole is responsible for the fast movement of nearly ten million ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

NATIONAL HARBOR, Md. — Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to the observatory, project officials warn.

wide, and suggested it could get as large as 26 feet (8 m). The Hubble Space Telescope, for comparison, has a 6.5-foot (2 m) aperture, he said. Breaking space news, the latest updates on rocket ...

Released in December 2011, this vibrant Hubble image was created by combining visible and near-infrared light collected by the telescope's Wide Field Camera 3. The light emitted by hot hydrogen ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 2566, which sits 76 million light-years away in the constellation Puppis. A prominent bar of stars stretches across the ...

The Wide-Field Instrument (WFI), the primary ... Important Years: 1990: NASA's Hubble Space Telescope launched. 1960: Nancy Grace Roman became NASA's Chief Astronomer. 4. Field of View: Roman's field ...