Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

Discover the fascinating story of the 'blue lurker,' a mysterious star in the M67 star cluster studied by NASA's Hubble ...

Proposed budget reductions for the Hubble Space Telescope would impact research and outreach as well as increase the risk to ...

Hubble uncovers the blue lurker star, offering rare insights into triple-star system evolution and stellar mergers ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

Hubble's first gigapixel panorama of the Andromeda Galaxy was published exactly ten years ago. This has now been ...