Astronomers analyzing white dwarf stars have found the first ever star that would appear green to human eyes, according to a ...

About 4,000 degrees Celsius (7,200 °F) is cool for a star. An ordinary star at that temperature should look orange. But ...

Astronomers identified a green white dwarf 280 light-years away, where sodium-rich planetary debris alters the star's color, ...

Primordial helium accounted for 24.58% of the mass of matter after the Big Bang. The new measurement is consistent with the theory and with the three types of neutrinos.

Stars can have not only the usual white, yellow and blue shades, but also green, pink and purple. Astronomers have found that ...

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet from ...

Astronomers for the first time have identified a green star, documenting a dense stellar remnant called a white dwarf that ...

The Big Bang explains a great deal, but some of its deepest questions remain unanswered. Future discoveries could change far more of the story than many people realize.

Astronomers have observed a stellar vampire feeding on a 'failed star' brown dwarf companion for the first time, and this ...

Researchers are now recreating that transition with some of the most detailed simulations of the early Universe yet produced.

Astronomers have documented the first star that appears green to the human eye, a white dwarf called WD J1330+6435 located about 280 light-years ...