A few decades ago, the Solar System had nine ... have to discover in space and how many mysteries even seemingly close regions of outer space hold. For now, the Ninth Planet remains in the realm ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

and 1.9, respectively. Overall, the study showed that our solar system fits reasonably well into the team’s peas-in-a-pod category. Some peas-in-a-pod systems also have outer planets like our ...

Work from the DiSCo program (Discovering the Composition of Trans-Neptunian Objects) has uncovered the existence of three ...

Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the ...

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges ...

Additionally, China is also investing in a human lunar program, seeking to land its own astronauts on the surface of the Moon ...