Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

Scientists found an intriguing world in our galaxy.

Named HD 20794 D, the newly discovered exoplanet orbits a star similar to the Sun, and researchers believe it may be able to sustain liquid water, which is vital for life, as we know it, to exist.

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

Is Earth really exceptional?  A new book seems to reaffirm that notion.  But given the right conditions, primitive life may be a mere byproduct of biophysics.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien astronomers could also be scanning Earth.

This image shows the habitable zone around the star HD 20794 (in green ... The current scientific consensus points to the existence of a planetary system for every star in our galaxy. Astronomers are ...