An object up to dozens of times the mass of Jupiter flying through our solar system may have disrupted planetary orbits.

New research reveals a fourth planet in the Kepler-51 system, altering our understanding of this unique system with three ...

It’s hard to find a star more like the Sun in its early years than Kepler-51, and harder to find a planetary system more ...

New radio astronomy observations of a planetary system in the process of forming show that once the first planets form close to the central star, these planets can help shepherd the material to form ...

Astronomers discover a fourth planet in Kepler-51, challenging planetary formation theories with new questions.

Indian astronomers have made a groundbreaking discovery in a unique triple-star system, shedding light on how planets could ...

It’s the question that is forever being asked: is there other life in space? And I’m not here to tell you that definitive ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

Do we have a planetary bias when it comes to understanding where life can perpetuate? It's only natural that we do. After all ...

"If trying to explain how three super puffs formed in one system wasn’t challenging enough, now we have to explain a fourth ...

A new study has looked into the possibility that our Solar System could capture and provide a home for a rogue planet as they ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.