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

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

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

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

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

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

"We have by and large been ignoring triples in models and simulations — we're just starting to understand how these types of ...

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 ...

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

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

The team used Hubble data to analyze the CGM of 11 star-forming galaxies, finding strong signals of carbon as far as 391,000 ...