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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A newly identified world beyond our solar system is giving scientists a fresh look at how strange planets can be, and it may come ...

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 ...

Scientists estimate that there are billions of planets orbiting stars outside our solar system, with more than 6,000 ...

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 ...

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, ...

We also celebrate humanity’s curiosity and achievements in space by exploring the intricate structures of our solar system ...

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 ...