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 ...

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 ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

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 ...

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

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

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 ...