Leave the solar system behind and explore the mind-boggling distances between stars, galaxies, clusters, and superclusters.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...

This video explores exomoons—moons orbiting planets beyond our solar system—and what they could reveal about the universe. .

ATLANTA — For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The eruption was similar in some ways to those unleashed by our sun, such ...

A University of Oxford-led study has identified a new type of exoplanet with sulfur-rich magma oceans located about 35 light-years from our solar system. Typically, planets are classified as small, ...

The latest addition of 65 exoplanets to the NASA Exoplanet Archive contributed to the scientific milestone marked on Monday. This archive is the home to exoplanet discoveries from peer-reviewed ...

Exoplanet L98-59d, located far beyond our solar system, might not sound like someone’s dream destination. It likely has an underground ocean of magma, a surface temperature that reaches around 3,500 ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth’s sun. They left behind a trace in the clouds of gas and dust that swirl just beyond our solar system—almost ...

CC0 Usage Conditions ApplyClick for more information. Have you ever wondered if there is life on another planet? Exoplanets may hold the key to this question. They’re planets that orbit stars beyond ...