Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

They are also the most common in the Universe, accounting for more ... More importantly, a planet orbiting a red dwarf star must have a magnetic field to protect it. On Earth, the presence of ...

That bodes poorly for the existence of long-term life on exoplanets orbiting red dwarfs, which also happen to be the most plentiful type of star. But if that planet hosted a huge ocean ...

the Moon occults the Red Planet. Credit: Astronomy: Roen Kelly On the 15th, Mars will shine at magnitude –1.4, essentially equaling the luminance of the brightest nighttime star, Sirius ...