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

Astronomers have detected a relatively close exoplanet orbiting in the habitable zone of its star, where temperatures are ...

Scientists found an intriguing world in our galaxy.

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.

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.

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

According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

All this happened about 4.5 billion years after Earth formed, with innumerable steps occurring in between that made our ...

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.