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

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

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

A recent multi-institutional study spearheaded by NASA has revealed the most volcanic place we know of. The planet, coined L 98-59 b, seems to be perpetually reshaped by eruptions more violent and ...

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

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 ...

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