A rare system of six planets, all kept perfectly in balance, has been found around star HD110067, just 100 lightyears away.

Larger than Earth, covered in shallow seas and orbiting long-lived orange stars, these hypothetical worlds could provide ...

New modeling suggests the outer planets may not survive the sun’s final act for nearly as long as scientists once believed.

按科学家的想象，一个超级宜居世界比地球宽约20%至30%，质量是地球的两倍，与恒星的距离恰到好处，使水能在其表面流动。这个更大的“地球”引力更强，比地球更紧地留住周围分子，赋予该行星更厚的大气层和更温暖、更稳定的气候，从而推动外星植物和动物（或它们的 ...

New research indicates that Earth-sized planets can maintain stable orbits in the habitable zone of binary star systems like ...

After a star like the Sun reaches the end of its life, a new planet may be born from its remains—a strong candidate for the ...

The planets are lining up, forming a rare and special parade across the night sky at the end of February. Five planets — Venus, Saturn, Jupiter, Mars, and Mercury — are bright enough to see with the ...

Astronomers report the first star that would appear green to human eyes. The discovery involves a white dwarf whose strange atmosphere bends its color in ways n ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the closest stars to Earth, such that its light takes only six years to get ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. If you haven’t heard, all the planets are in the sky at the ...