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

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

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

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

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