Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Astronomers discovered the gas giant planet — dubbed a "hot Jupiter " — in 2016, but have continued to investigate this ...

If the solar system had a corporate structure, Jupiter would be the CEO, while Saturn ensures rules are followed. Venus ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...