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

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

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

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

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

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

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

Dune filmmaker, Denis Villeneuve, opens up about his grief following the passing of David Lynch. Read his full comments here.

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