An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post A Mysterious Object Visited Our Solar System And Altered The Orbits Of Four ...

The eight major planets of our Solar System orbit the Sun in the same flat plane ... in our night sky together along the ecliptic, the path traced by the Sun. Mercury, Venus, Mars, Jupiter ...

Scientists found Titan’s orbit is shifting faster than expected due to tidal dissipation. A recent cosmic event likely ...

ISTOCK / GETTY IMAGES PLUS The planets in our solar system orbit the sun in roughly the same ... This alignment causes the apparent paths of the other planets to trace a consistent arc across ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Prevailing solar system formation theories indicate that these planets should have at least started out following perfectly circular and share the same orbit. But today, their paths are slightly ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Planets in our solar system orbit the Sun in different orbits in three ... nudging them into new paths. "The scenario of a close encounter with a substellar object offers a plausible explanation ...

The interlopers in these near matches dove straight into the solar system, traveling way past Uranus' orbit, with some even grazing Mercury's path. And they were relatively tiny, ranging from two ...