Oumuamua’s speed and path around the Sun don’t match a typical asteroid, but it also has no bright tail or nucleus (icy core) ...

If Brown’s hidden world is real, Rubin will almost certainly find it or strong indirect evidence that it exists. “In the ...

When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019 ...

Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

For centuries, astronomers have sought to understand the complex dance of planetary motion. The ancient belief that planets ...

Asteroid 2024 XS3, a small Apollo asteroid, safely passed Earth at a distance of 3.3 million kilometers on December 18, 2024.

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

It's possible for our solar system to capture a rogue planet and give it a home as it hurtles through the galaxy, according ...

Researchers have doubled the number of known dark comets, identifying two distinct types: larger ones in the outer solar ...

The evolution of the orbits of the planets is a complex process. Initially the planets formed out of a rotating disk of gas ...

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

A massive interstellar object passing through our solar system during its formative years likely altered the orbits of planets into trajectories observed today, a new study says. Interactions with ...