The sun is much more than a bright light in the sky. It's a giant ball of burning gas that holds our cosmic neighborhood ...

For humans, the most important star in the universe is our Sun. The second-most important ... Hubble discovered the demure star in 1923. This rare type of pulsating star, called a Cepheid variable ...

An exoplanet is a planet that orbits a star other than our sun. “But the planet is too close to the host star, closer than the habitable zone … even if the star is about 2,500 degrees cooler ...

Stars like our own Sun produce “superflares” around once every 100 years, surprising astronomers who had previously estimated that such events occurred only every 3000 to 6000 years. The result, from ...

Wolf 359 is a red dwarf with a mass about a tenth that of the sun ... an important class of stars—it's a great combination." Because red dwarfs are the most prevalent types of stars, astronomers ...