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

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to ...

Don't put your binoculars away just yet, the planet parade continues through February. Here's which planets will be visible this month.

ANOTHER, even rarer, ‘planet parade’ is set to grace skies very soon. For one night only, all seven other planets in the ...

These two next weeks offer all but one of the planets in lovely view at nightfall. Fred Schaaf goes step by step through the ...

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...