Never-before-seen temperature and ion density measurements reveal that the effect of Jupiter's moons on its aurora are more complicated than scientists thought.

We truly hope it doesn't rain on your parade.

"Life is always hardier than we expect it to be." The post Scientists Find Microbes Can Survive Traveling from Planet to ...

What happens when a solar superstorm hits Mars? Thanks to the European Space Agency's Mars orbiters, we now know: glitching ...

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these ...

Astronomers have discovered thousands of planets beyond our solar system, but finding them is incredibly difficult. Unlike stars, planets don’t shine on their own, making them almost invisible across ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

How many Earths could fit inside the planets of our solar system.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

During the "planetary parade," six planets will appear to align in the evening sky, according to NASA.

You may have seen a lot of posts on social media about planetary alignment over the last few days. What you've been hearing ...