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 ...

Discover what the Hubble Outer Planet Atmospheres Legacy program has learned about the outer planets, including Jupiter, ...

Compared to the previous observations (left), the new ALMA observations (right) at longer wavelengths can better see into the dust ring and reveal a concentration of dust to the north-west (upper ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...

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

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

The moderate tilts and slightly elongated paths of these planets — long considered a mystery — could be the result of a ...

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

Before any spacecraft gets launched, it goes through a Planetary Protection Plan, which can vary in its complexity based on ...

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

The orbits of the planets around the Sun have been the source for many a scientific debate. Their current orbital properties ...