Scientists have discovered a potentially star-forming cloud and called it "Eos." It is one of the largest single structures in the sky and among the closest to the sun and Earth ever to be detected.

This NASA Hubble Space Telescope image captures one of three segments that comprise a 65-light-year wide star-forming region named the Chamaeleon Cloud Complex. The segment in this Hubble composite ...

The puzzling appearance of an ice cloud seemingly out of thin air has prompted NASA scientists to suggest that a different process than previously thought — possibly similar to one seen over Earth’s ...