The web-like features are believed to be sculpted by ancient groundwater, offering new clues about the Red Planet's watery ...

A nearby white dwarf is generating three times more energy than expected, hinting at unknown magnetic processes.

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...