We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

Long-Sought Auroral Glow Finally Emerges Under Webb’s Powerful Gaze Neptune lies in the cold, dark reaches of the outer edges of our solar system, about 3 billion miles from the Sun, at the farthest ...

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

Astronomers have recently unveiled an extraordinary discovery in the cosmos: a new exoplanet named Enaiposha, located 47 ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

Aurora, commonly known as the Northern Lights in the northern hemisphere, occur when charged particles from the Sun collide ...

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

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

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

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