Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, said Renu Malhotra, a planetary scientist at the University of Arizona who has ...

For the first time, scientists have found strong evidence of a "polar planet"—a planet whose orbit is tilted at 90 degrees ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

Astronomers spotted a young planet, WISPIT 2b, forming within a dusty ring around its star system, offering clues about the ...

Multiple Starlink satellites from Elon Musk's SpaceX are falling to Earth every single day, an astronomer warns — and ...

WASHINGTON (Reuters) -Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star.

A celestial phenomenon is forming in the Northern Hemisphere on Friday, as seven planets are expected to appear lined up in the night sky. Most are expected to be visible to the naked eye, though not ...