NASA astronaut Don Pettit is currently on his third stay on the International Space Station where he works with other astronauts to conduct experiments and maintain the celestial outpost. But in ...

One of the most compelling aspects of this image is how it portrays the Milky Way edge-on. The Milky Way, our home galaxy, is a barred spiral galaxy spanning roughly 100,000 light-years across.

Two telescopes teamed up to image one of the most massive known galaxy clusters. The results can help astronomers understand the universe and its origins.

This Hubble image is composed of two different exposures which have been merged together, showing star BD+17 2217 shining over the background galaxy Arp 263.

A stunning new comparison photo honors the 25th anniversary of the first astronaut service mission to repair Hubble's blurry vision.

A galaxy's outstretched arms form a nearly perfect circle around its central disk in a striking new photo from the Hubble Space Telescope.

Hubble Space Telescope by NASA captures stunning image of NGC 4689, a spiral galaxy in Coma Berenices constellation.

NASA astronaut Don Pettit is currently on his third stay on the International Space Station where he works with other astronauts to conduct experiments and maintain the celestial outpost. But in his ...