Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how to get the best view of the rare conjunction.

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

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

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 ...

Red dwarf stars are the most common stars in the universe and live for ... excellent test bed to look at what planets would experience around this kind of star." Wolk and his colleagues used ...

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 ...

From icy Ilum to lush Kashyyyk, Star Wars planets ... Bathed in red light, Dathomir fittingly has an intense presence of the dark side of the Force. The hostile planet is overgrown with forests ...