Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of ...

Scientists find that deep molten rock can power long-lasting magnetic fields, helping large rocky planets hold onto their ...

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually difficult to spot.

Scientists now have direct evidence that a planet — not just failed stars — can rove the galaxy after a violent expulsion from its orbit. Credit: NASA / JPL-Caltech / R. Hurt illustration Astronomers ...